♐ Top notch and well made with the metal insert, they will slide without scratching the wall and floor. Also, you can mount them firmly without worrying about crushing the rubber. Good for a guitar amp or furniture and so on. | ♐ Minimize the vibration to get the pure and natural sound effect. | ♐ Suitable for HiFi speaker, amplifier, car subwoofer with size no more than 8 | ♐ A perfect replacement for your lost or damaged feet on guitar or speaker, etc. | ♐ Abrasion-resisting, non-slip, odorless, hard and firm, they feel comfortable and the smart design makes them more creative.

This PCI-E VGA card extended cable works to lift a computer graphics card or PCI-E device from the mainboard to provide room for airflow | Suitable for PCI-E slot extension of 1U, 2U or above server and mainboard of a small computer case | High quality flexible ribbon cable plated with tin, ensures good contacts and long using life | The solder is fixed with hot melt adhesive, safe and durable to use | No need to install a driver, easy to install

Mainly be fit for Celestron 80EQ SE SLT PS series and meade infinity and polaris and so on series astronomical telescope (Note: Meade Infinity Series: 80AZ 90AZ 102AZ and Polaris Series: 80EQ 90EQ not applicable) | Simple, affordable, and effective red dot sighting device aiming your telescope. | Have variable brightness levels, fully adjustable up and down, left and right. | LED dot is projected onto a non-magnifying viewing window so you can aim the main telescope quickly and easily. | Red dot finder scope top part can be removed and used as a replacement for many other red dot finders found on telescopes.

☀【Treble and Bass Dual Frequency Divider】This is a professional frequency divider, which is widely installed in the speaker. To separate the mixed audio signal into a treble, bass, and then were sent to the corresponding treble, bass speaker unit in playback, resulting in enhance the sound quality purposes.Playing an important role of the total frequency signal segmentation. | ☀【Perfect HIFI Sound 】 Speaker Frequency Divider,Make the treble clear and increase the intensity of the bass, freely enjoy clear and music.Treble and bass dual frequency support, helps to transmit the treble signal to the tweeter unit, and divide the bass signal into subwoofer unit. | ☀【High Quality and Super Durability】 wire wound ceramic resistor and high-quality metal film capacitors, ensure its large load power, long-term durability, never burnout. | ☀【Wide Application】Unit Hi-Fi Sound Filter Audio Module Board,Widely use in treble and bass speakers, car full frequency speakers, or use treble/ bass alone. | ☀【DIY Speaker Circuit Board】 2 Way Frequency Divider,Circuit board design with precise cutouts and lines, free for welding, very suitable for DIY.High quality and free welding.

This focusing helicoid tube is made of good metal, sturdy and durable, equipped with standard M42 mount | The length of this helicoid tube is adjustable, it offers a distance for lens focusing adjustment, easy to use | This helicoid tube is useful for those lenses without focus ring | It could be used as macro barrel and offers fine focus control for macro photography | It will be better when you use it with filter adapter together

★【Premium Durable】 Made of high quality metal, durable, solid and sturdy. | ★【Anti-shoack Stabilization Imaging】Binocular tripod adapter can help to reduce the small hand jitter effects on imaging and gives a much more stable image. | ★【 for Binoculars Tripod Adapter】The adapter allows you can easy connect binoculars with a front tripod screw socket to any mount using a standard tripod screw. | ★【1/4 inch Screw Comaptibility】 This adapter attaches to the center hinge of most binoculars with 1/4 inch hole. | ★【Portable Accessory】Conveniently sets your hands free for other tasks while observing. Great for outdoor observations.

This PCI-E VGA card extended cable works to lift a computer graphics card or PCI-E device from the mainboard to provide room for airflow | Suitable for PCI-E slot extension of 1U, 2U or above server and mainboard of a small computer case | High quality flexible ribbon cable plated with tin, ensures good contacts and long using life | The solder is fixed with hot melt adhesive, safe and durable to use | No need to install a driver, easy to install

Adopts high quality ABS material, sturdy and durable. | Low power consumption, long transmission distance(＞8m, depends on the projector models) | Beautiful appearance and comfortable hand feeling. | Large buttons, easy to recognize and press. Easy operation and convenient to use. | Fits for EPSON EX3220, EX5220, EX5230, EX6220, EX7220, 725HD, 730HD projector.

Made of quality materials with fine machining, pliable, sturdy and durable | The cord is highly conductive and contact is precisely made, supports TTL function | Won't bother any function of flash and camera, it's just an extension cord | Equipped with a assist lamp for easier focusing | Stretchy cord enables you do remote control of flash within a distance of 0.5-0.8m

The diffuser is used to create exposures of even density over the entire surface of film. Use the diffuser by placing it flush against the front of the lens and exposing through it. The light that passes through the diffuser and on to the film will creat | The flash with our diffuser installed and tilted at 45 degrees gives a nice soft wrap around of light with a soft shadow behind the subject. | This fits cleanly over the head of your existing flash, no need for cumbersome attachments, hooks. Try us and see the difference. | It disperses the light over a wider area for a softer, more balanced and natural effect than you didn't use before. | It helps to reduce hard background shadows and eliminates the annoying red eye effect.

High quality Aluminum alloy grip ,durable; | Built in Stainless steel screw, in accord with the global standard size; | Simple for work and convenient for installation; | Design with large external diameter, and fit most cameras and camcorders; | Suitable for most shooting situations

All metal, anodic oxidation alumina manufacturing process, can used for a long time. | Using this extension tube, can obtain correct image scale. | Inner wall has extinction treatment, avoid radiating light affect imaging. | Fine workmanship, sturdy, durable and long service life. | Four lengths for you to choose, to meet different needs and requirements.

This brand new Macro Extension Tube Set for your film & Digital SLR includes 3 extension tubes - 9mm, 16mm, 30mm adapters. | Use this set will not downgrade the optical quality of your lens. | Sharpness and Saturation can be still maintained. But they are not meter-coupled. They do not preserve the automatic diaphragm. | It should be used with manual lenses with their own aperture dial. | There is no electronic connection between the body and the lens. Automatic lenses can be used with their widest open aperture only.

MB506 is a high frequency prescaler with a frequency up to 2.4GHz. | The impedance change is lower, which can get better classification performance and improve the dynamic range. | It divides the input frequency by the modulus of 128 or 256, and the output level is 1.6V at the peak-to-peak value at the ECL level. | The divider ratio can realize 64, 128 and 256 divider by two-digit dialing switch or external interface. | Complete Phase Locked Loop synthesizer circuit with MB87006A, Phase Locked Loop synthesizer IC.

Suitable for Sigma 135mm f1.8 DG HSM Art lens. | Made of aviation aluminum, CNC precisely machined, hollow-out weight reduction design, polished and surface anodized finish. | Customized according to the lens. Positioning by the switch and mount. Cannot be rotated. All the corners are rounded, prevent from wearing. | Inner diameter is about 83mm, width is about 25mm, added quick release plate feature, plate length is about 70mm, with 1/4 inch and 3/8 inch screw holes and stainless steel anti-slip screw. | The quick release plate adopts AS standard, compatible for RRS/ ARCA-SWISS/ PMG/ WIMBERLEY/ MARKINS/ PHOTOCLAM/ SUNWAYFOTO/ BENWAYO/ SIRUI/ MARSACCE, etc. Suitable for IS-JZ30/ IS-JZ50/ IS-JZ64/ IS-QJ58/ IS-QJ64-FD/ IS-JZ60BK/ IS-JZ70MFT/ IS-JZ80

Made of premium optical glass with multiple coatings, it can filter strong light evenly so to weaken the light without affecting the color | Help you to avoid over exposure by reducing the volume of light getting through the lens by 10 levels, the natural density if fixed and not adjustable | Ultra slim frame can avoid dark angle, especially good for wide angle lens | Easy to use, precision thread mount, suitable for any brand of filter holder with same mount | Lightweight and portable, easy to carry and store. Good accessory for photography lovers, especially good for outdoor use

Support for Android, for Windows, for Mac OS systems. | 22-key wireless numeric keypad, USB plug and play. | Use time up to 80 hours , keystrokes up to 3 million times. | Ergonomic design, more comfortable handfeel. | Scissor foot key cap structure design, fast rebound speed, low delay.

The inner hole is about 54mm in diameter and is generally used for 6-10 inch speakers, subwoofers, etc. | The speaker shell open hole diameter is about 60mm, the airflow is very smooth. | Speaker inverting hole, also known as sound tube and air hole, often used in inverting type speakers. | It is mainly to overpower the air flow sound of the speaker vibration in the box and overlap the sound pressure of the radiation in front of the speaker to produce a bass effect. | Made of high quality material, this product is sturdy and durable.

☞ Compatible with Android, Windows system, suitable for Windows PC/tablet and Android phone/tablet that is Bluetooth-enabled. Comes with touchpad. | ☞ Ultra slim, lightweight & compact design allows easy storage and use when traveling. | ☞ Built-in 280mAh rechargeable Li-polymer battery provides 90 hours of continue working time on a full single charge. | ☞ Made of high-grade plastic materials, the low-profile keys offer quite and comfortable typing. | ☞ The words on the keyboard surface with UV film treatment will not fade.

Made of high quality material, do not create vignetting or affect brightness after installation | 1.51X view magnification, make it easier to for you find excellent views and obtain accurate focus | 15mm height away from the camera after installation, ease your organs and keep them away from the screen | Good helper for short-sighted / long sighted people (within 500 degree), enable you to see view clearly without glasses | 6 magnifier mounting bases, compatible with various DSLR camera