*[Material] - Made of 304 stainless steel for high strength, weld-ability and long-lasting durability. | *[Surface Treatment] - Finish with polishing, which is smooth, oxidation resistance and corrosion resistance. | *[Seamless Construction] - The interior is smooth with no seam and is available in an extruded structural or a drawn seamless stainless steel round tube for precision applications. | *[How to Use] - It can be processed according to the length you need, and can be welded with the right equipment. | *[Applications] - Commonly used in industry, ship model, handicrafts, pipelines, mechanical structural components, etc. Especially in living decoration and industry, such as frames, crafts, gardening products, railings, shop fitting and furniture.

*[Material] - Made of 304 stainless steel for high strength, weld-ability and long-lasting durability. | *[Surface Treatment] - Finish with polishing, which is smooth, oxidation resistance and corrosion resistance. | *[Seamless Construction] - The interior is smooth with no seam and is available in an extruded structural or a drawn seamless stainless steel round tube for precision applications. | *[How to Use] - It can be processed according to the length you need, and can be welded with the right equipment. | *[Applications] - Commonly used in industry, ship model, handicrafts, pipelines, mechanical structural components, etc. Especially in living decoration and industry, such as frames, crafts, gardening products, railings, shop fitting and furniture.

Overall Size : 10.5 x 8.5 mm / 0.41 x 0.33 inches (D*H); Inside Diameter : 8 mm / 0.31 inches | Designed for RCA port on RCA equipment. | Silicone material, soft and durable. | Protect the port against the dust and rusting. | Decorate the port to make it more beautiful.

Product Name : Adapter Ring;Lens Side : 37mm/ 1.5" | Filter Side : 28mm/ 1.1";Total Size : 40 x 6.6mm/ 1.6" x 0.26" (D*T) | Material : Metal;Color : Black | Weight : 8g | Package Content : 1 x Adapter Ring

40mm Speaker, rated power is 3W, impedance is 4 Ohm | High sensitivity, loud voice, good and clear sound quality | It is a high quality speaker as a replacement for your sound system | Adequate volume, it will be your best choice if you have an good application. | Package includes a pair of speakers

50mm Speaker, rated power is 3W, impedance is 8 Ohm | High sensitivity, loud voice, good and clear sound quality | It is a speaker as a replacement for your sound system | Adequate volume, it will be your best choice if you have an good application. | Package includes 2 pair of speakers

Product Name : Magnet Speaker;Power : 0.5W | Resistance : 8 Ohm;Type : Internal Magnet | Shape : Round;Magnet Diameter : 16mm/ 0.63" | Size : 36 x 4.8mm/1.4" x 0.2"(D*T);Material : Magnet,Metal, Plastic | Weight : 33g;Package Content : 4Pcs x Internal Magnet Speaker

Product Name : Adapter Ring;Lens Side : 46mm/ 1.8" | Filter Side : 37mm/ 1.4";Total Size : 46 x 5.2mm/ 1.8" x 0.2" (D*T) | Material : Metal;Color : Black | Weight : 10g | Package Content : 1 x Adapter Ring(Non-0EM)

Product Name : Adapter Ring;Lens Side : 49mm/ 1.9" | Filter Side : 43mm/ 1.7";Total Size : 52 x 6.5mm/ 2" x 0.25" (D*T) | Material : Metal;Color : Black | Weight : 9g | Package Content : 1 x Adapter Ring

Size: 14 x 16.45mm (Dia*L); Color: Black | Focal Length: 4mm; Mount: M12 x 0.5mm | Format: 1/3"; Aperture: F2.0 | Material: Plastic, Glass; Net Weight: 5g | Package Content: 1 x CCTV Lens; Product Name: CCTV Lens

[ Product Contents ] - 10pcs x 304 stainless steel solid round rod lathe bar stock. | [ Size ] - Diameter: 4mm/5/32 inch; Length: 250mm/9.84 inch. | [ Material ] - High hardness 304 stainless steel, strong rust-resistant and corrosion-resistant, sturdy and durable. | [ Feature ] - The surface is smooth, easy to shape, no cracks formed, keep car normal operation efficiently, and steady car body to overcome difficulty easily. | [ Application ] - Widely used in Gear shaft, motor shaft, short support shaft, shaft pocket model, miniature axle, model plane, model ship, model cars.

A passive radiator system uses the sound otherwise trapped in the enclosure to excite a resonance that makes it easier for the speaker system to create the deepest pitches | Bass radiator, also known as a "drone cone", for replacing the inverted tube or subwoofer with the radiator and the traditional back subwoofer. | Air turbulence noise is no longer an issue, when air rapidly escapes the pipe at high volumes.No more high frequencies reflected out the port. | Passive radiators operate in conjunction with the active driver at low frequencies, sharing the acoustic load and reduce the excursion of the driver. | Working similarly to a vent, the passive radiator will only add as much as they subtract.

Product Name : Magnet Speaker;Power : 2W | Resistance : 8 Ohm;Type : Internal Magnet | Shape : Round;Magnet Diameter : 13mm/ 0.51" | Size : 23 x 5.5mm/0.91" x 0.22"(D*T);Material : Magnet,Metal, Plastic | Weight : 19g;Package Content : 4 Pcs x Internal Magnet Speaker

This speaker is designed with aluminum shell, Inside Magnetic Type | Make of Metal, Plastic, Magnet easy to install. | Speaker is to produce output that can be heard by the listeners. | Sound produced by the speaker is defined by frequency and , where frequency determines how high or low the pitch of the sound is. | Application: use in small portable equipment, such as mini speakers, DVD ,EVD, mini multimedia speakers, etc.

Material: Heat sink made of high quality Aluminum, good thermal conductivity, it is the first choice of heat dissipation materials. | Large Area Heat Dissipation: Maximize surface area designed in contact with the cooling air. The 8pcs fins increase the area of the board and thus provide for greater heat transfered. | Preventing Overheating: Aluminum heatsink can reduce the power loss of the device, provide efficient heat dissipation for electronic devices and other components, which prevent overheating and damage caused by excess heat. | Versatile Use: Aluminum chipset heatsink can be used in a variety of applications, such as computer, LED light devices, power transistor, FET, IC, power amplifier, voltage regulator, power electric device, Mosfet etc.. | Heatsink Specification: Small in size, light in weight. Size: 100x25x10mm/ 4" x 1" x 0.4"(L*W*H). Net weight: 6.1oz. Package content: 5 x heatsinks.

Speaker Port Tube is used to improve the bass response of many types of speakers. There are plenty of types to help you with your vented box design, and carries tubes of every shape and size, including adjustable length ports and flared ports. | These port tubes are a reliable, convenient installation, while at the same time providing a finished, "pro" look to your bass reflex speaker building project. | Normal tubes suffer from nasty turbulence at the entrance and exit of the port, producing unwanted noise and poor sound quality.This port tubes can overcome the situations and you can experience good looks, low distortion, and superior overall sound quality. | Standard mount holes make this tube easier to install than others on the market. | Please check the mountingn size clearly before buying the item.

Product Name : Pin Header;Pin Count : 40 | Type : Single Row Strip Straight;Pin Pitch : 2.54mm | Total Size : 100 x 11 x 2mm/ 4"x 0.43"x 0.08"L*W*H);Material : Plastic, Metal | Color : Black, Silver Tone;Weight : 97g | Package Content : 50 x Pin Header

Durable Metal Construction: Made with high-quality metal, these hard drive screws are built to withstand heavy use and provide long-lasting supported for your hard drive. | Universal Compatibility: These SSD mounting screws are designed to fit standard M3 screw holes. Perfect for many types of laptop notebook, applied in electronics, personal computers, DIY, etc | Perfect for Hard Drive Replacement: These hard drive replacement screws are ideal for replacing lost or damaged screws when mounting a new HDD or SSD on your laptop. | Easy to Install: These laptop screws are designed to be easy to install and remove, making them the perfect solution for mounting or replacing your hard drive. | 50-Piece Pack: The package contains 50 pcs M3 x 4.7mm HDD screws. You'll always have replacement screws on hand for any mounting needs.

【8.5mm INNER DIA & 15mm HEIGHT】 Round end cap cover fits 8.5mm dia round tube or screw or pipe,15mm length(Due to manual measurement, allow a deviation of ±3mm) | 【GOOD PROTECTOR】Our flexible end caps prevent scuffs on kitchen or wood floor,for metal chair tips, furniture, chair feet, table legs or tips, screw thread, nail heads, or to cover any round tubing | 【FLEXIBLE VINYL MATERIAL】 Thread protector cover is made of vinyl rubber material, flexible and insulated | 【SIZE SELECTION】Because rubber material is soft and elastic, we recommend choosing rubber end cap that is slightly smaller than the outer diameter of the product to be protected. For example: the outer diameter of your product is 9.8mm dia, choose the rubber cover of 9.5mm! | 【WIDELY APPLICATION】 Perfect for covering screws or other threaded parts, round tubing, furniture feet and so on

Product Name : Adapter Ring;Lens Side : 52mm/ 2" | Filter Side : 49mm/ 1.9";Total Size : 55 x 6.5mm/ 2.2" x 0.26" (D*T) | Material : Metal;Color : Black | Weight : 7g | Package Content : 1 x Adapter Ring

Product Name : Adapter Ring;Lens Side : 52mm/ 2" | Filter Side : 42mm/ 1.65";Total Size : 55 x 6.5mm/ 2.2" x 0.26" (D*T) | Material : Metal;Color : Black | Weight : 11g | Package Content : 1 x Adapter Ring

Speaker Port Tube is used to improve the bass response of many types of speakers. There are plenty of types to help you with your vented box design, and carries tubes of every shape and size, including adjustable length ports and flared ports. | These port tubes are a reliable, convenient installation, while at the same time providing a finished, "pro" look to your bass reflex speaker building project. | Normal tubes suffer from nasty turbulence at the entrance and exit of the port, producing unwanted noise and poor sound quality.This port tubes can overcome the situations and you can experience good looks, low distortion, and superior overall sound quality. | Standard mount holes make this tube easier to install than others on the market. | Please check the mountingn size clearly before buying the item.

Product Name : Adapter Ring;Lens Side : 55mm/ 2.2" | Filter Side : 52mm/ 2";Total Size : 57 x 6mm/ 2.3" x 0.24" (D*T) | Material : Metal;Color : Black | Weight : 6g | Package Content : 1 x Adapter Ring

Product Name : Adapter Ring;Lens Side : 58mm / 2.3" | Filter Side : 42mm / 1.7";Total Size : 58 x 7mm / 2.3" x 0.28" (D*T) | Material : Metal;Color : Black | Weight : 23g | Package Content : 1 x Adapter Ring

Product Name : Adapter Ring;Lens Side : 58mm/ 2.3" | Filter Side : 46mm/ 1.8";Total Size : 60 x 6.8mm/ 2.4" x 0.27" (D*T) | Material : Metal;Color : Black | Weight : 16g | Package Content : 1 x Adapter Ring

Product Name : Magnet Speaker;Power : 0.25W | Resistance : 8 Ohm;Type : Internal Magnet | Shape : Round;Size : 29 x 8mm/1.1" x 0.3"(D*T) | Material : Magnet,Metal, Plastic;Weight : 32g | Package Content : 5 Pcs x Internal Magnet Speaker

OVERALL SIZE : 13 x 12 mm / 0.51 x 0.47 inches (D*H). | APPLICATION : Protect the BNC Female port from dust. | FEATURE : for the female port. | MATERIAL : Silicone. | PACKAGE CONTENT : 5 x BNC Port Dust Covers.

OVERALL SIZE : 6.5 x 3 x 6 mm / 0.26 x 0.12 x 0.24 inches (L*W*H). | APPLICATION : Protect Micro female port from dust (for laptop port, NOT for phone). | MATERIAL : Silicone. | COLOR : Black. | PACKAGE CONTENT : 5 x Anti-dust Covers.

OVERALL SIZE : 16.5 x 7.5 x 6.5 mm / 0.65 x 0.3 x 0.26 inches (L*W*H). | APPLICATION : Protect VGA port from dust. | MATERIAL : Silicone. | COLOR : Black. | PACKAGE CONTENT : 5 x VGA Anti-dust Covers.

High Quality: The 6 pin FFC cable consists of a flat, flexible plastic film substrate, and multiple metal conductors are connected on one surface. The each end cable is reinforced with a stiffener to make insertion easier. The stiffener makes the cable slightly thicker. | Specifications: Model: A type; Pin Number: 6; Pitch: 0.5mm; Color: White, Blue; Total Weight: 3g/0.11oz; Length: 150mm/6"; Insert Thickness: 0.3mm; Total Size: 150 x 4mm/6" x 0.16"(L*W); Package Content: 10 x Flexible Flat Cable | Featrues: This flat ribbon cable is high flexibility and ultra-thin, soft, flexible and compact. With their flat design, FFC enable efficient space utilization within devices where traditional round cables may be impractical. | Versatile Applications: FFC cable finds applications in various areas such as computers, electronic devices, automotive electronics, home appliances, LCD, LCD TV, car navigation, car audio, Camera Board, meeting the wiring needs of different types of equipment. | Easy Installation: Just plug the two ends of the extension cable into the connection of the required equipment, which is easy to connect with laptops, PCs, DVD players, recorders, printers, copiers, etc.

Thread Size: 6#(3.5mm); Silver Screw Total Length: 5mm/0.2"; Black Screw Total Length: 6mm/0.24" | Product Name: Hard Drive Screw; Material: Metal | Package Content: 500(+/-2%)pcs x Hard Drive Screw; Thread Type: UNC | Coating: Nickel Plated; Drive Type: Phillips | Fit for: 3.5" HDD; Thread Count: 32

[Material] - 6063 aluminum for high strength, weld-ability, corrosion resistance and long-lasting durability. | [Seamless Construction] - The interior is smooth with no seam and is available in an extruded structural or a drawn seamless aluminum round tube for precision applications. | [T5 Temper] - T5 temper with heat treated and artificially aged for increasing strength and meeting standard mechanical property requirements. | [Usage] - It can be processed according to the length you need, and can be welded with the right equipment. | [Application] - Commonly used in the industrial, ships, home furnishing and other industries. Great for custom fabrication projects such as DIY handmade, frames, boat building, modelers, crafts, gardening products, shopfitting, etc.

Product Name : Adapter Ring;Lens Side : 62mm/ 2.4" | Filter Side : 58mm/ 2.3";Total Size : 65 x 6mm/ 2.6" x 0.24" (D*T) | Material : Metal;Color : Black | Weight : 9g | Package Content : 1 x Adapter Ring

This is a 6mm focal length camera lens. | It has F2.0 large aperture. | This CCTV camera is suitable for all IP cameras with M12*0.5mm mount. | It allows more of the scene to be included in the photograph and performs well during the day. | It is easy to install and remove without affecting the installation and use of other accessories.

This is a 6mm focal length camera lens. | It has F2.0 large aperture. | This CCTV camera is suitable for all IP cameras with M12*0.5mm mount. | It allows more of the scene to be included in the photograph and performs well during the day. | It is easy to install and remove without affecting the installation and use of other accessories.

Color: Black; Material: Plastic; Focal Length Description: 6 mm; Lens Type: Wide Angle；Outer diameter 14mm/0.55 inch; Thread Type：M12; Aperture D/f': F2.0; Package List: 1 x 6mm 5MP CCTV Camera Lens | CCTV camera is widely used in homes, factories, shops, bars, parking lots, warehouses, etc. Suitable for monitoring indoor and outdoor areas to avoid accidents. | Standard M12x0.5 screw connector, suitable for most types of surveillance cameras. | NOTE: Products with electrical plugs are designed for use in the US. Outlets and voltage differ and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing. | The camera glass lens adopts a multi-layer coating process, using industrial-grade optical glass. The multi-layer coating makes the image clear and lifelike, and the night vision is clear and visible. The wide angle allows more of the scene to be included in the photo and performs well in daylight. It can record and reflect the subject's movement speed and rhythm changes. Suitable for indoor and outdoor areas that require attention.

Product Name : Adapter Ring;Lens Side : 72mm/ 2.8" | Filter Side : 52mm/ 2";Total Size : 75 x 7mm/ 3" x 0.27" (D*T) | Material : Metal;Color : Black | Weight : 32g | Package Content : 1 x Adapter Ring

Pliable, Anti-aging and Durable. | Exquisite craft, help to get nice effect for Subwoofer. | It is ideal for speakers repair or DIY. | Easy to install. | Package:4pcs, Diameter:8 inch. Detail size please check the photo.

Copper Material: Made from pure copper material, this copper heatsink ensures optimal cooling performance and stability for your system. | Compact Size and Package: Small in size, light in weight, size: 22 x 8 x 5mm/0.9" x 0.3" x 0.2"(L*W*H). Net Weight: 1.6oz. Package Content: 8 x heatsink | Good Heat Dissipation: The groove design to efficiently reduce electronic devices and other components temperature in enclosed environments, preventing overheating and prolonging lifespan | Self-Adhesive: The memory heatsink comes with a self-adhesive backing of quick and easy installation onto various devices | Versatile Use: The small copper heatsink can be used in a variety of applications, such as computer memory IC chips motherboards DDR, VGA and other similar electronic components, etc.

This is a 8mm focal length camera lens. | It has F2.0 large aperture. | This CCTV camera is suitable for all IP cameras with M12*0.5mm mount. | It allows more of the scene to be included in the photograph and performs well during the day. | It is easy to install and remove without affecting the installation and use of other accessories.