【Excellent Material】These small screws are made of high-quality carbon steel, not easy to break, not easy to bend, high hardness, scratch-resistant and corrosion-resistant, with long-lasting durability and stability. 【Round Head Phillips Screws】The computer screws are designed with common round head Phillips nuts, uniform force, easy to lock, not easy to slip, more convenient and quick to use. 【Easy to Store】All small 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-functional screwdriver. 【Widely Used】Widely used for repairing glasses, sunglasses, computers, mobile phones, small electronic devices, watches, M.2 SSD, PC chassis, power supplies, motherboards, hard drives, fans, CD-ROM/DVD-ROM and other equipment with small screws. 【Package Included】A total of about 500 pieces, with the 18 most common sizes to meet your needs. Sizes include M1.2 x 2mm/2.5mm/3mm/4mm/5mm/6mm, M1.4x2mm/3mm/3.5mm/4mm/5mm/6mm, M2x3mm/4mm/5mm/6mm/8mm/10mm, enough for the needs in multiple fields.