【Exquisite Material】These small screws are made of high-quality Carbon Steel material, not easy to break, not easy to bend, high hardness, scratch-resistant, and corrosion-resistant, with long-lasting durability and stability. | 【Countersunk Flat Head Cross Screws】Laptop screws are designed with standard flat countersunk head cross slots, uniform force, easy to lock, not easy to slide, more convenient and quick to use. | 【Easy to Store】All tiny screws are stored in a storage box, where you can sort, organize and remove the screws. It is very convenient to repair with a multi-function screwdriver. | 【Widely Used】Widely used to repair glasses, sunglasses, computers, mobile phones, small electronic devices, clocks, SSD M.2, PC cases, power supplies, motherboards, hard drives, fans, CD-ROM/DVD-ROM, and other devices with small screws. | 【Package Included】A total of about 500 pieces, providing 18 most commonly used sizes to meet your needs. The sizes include M1.2 x 2mm/2.5mm/3mm/3.5mm/4mm/5mm, M1.4x2mm/2.5mm/3mm/3.5mm/4mm/5mm, M2x3mm/4mm/5mm/6mm/8 mm/10mm, meeting the needs of multiple fields.