Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.High-hardness transparent plastic box, which accepts fasteners and screw accessory boxes of various specifications and materials. More convenient to use.4.The thread surface is smooth, sturdy and durable, dense and deep, uniformly stressed and not easy to fall off, clear and complete.5.Suitable for indoor and outdoor door handles, faucets, lamps, knobs, locks, plumbers and other shops, garages or home repair parts, as well as various precision machinery, electronic products, office equipment and other industry standard machine accessories.6.The item contains 10pcs M3x6mm screws, 10pcs M3x10mm screws, 10pcs M3x15mm screws, 10pcs M3x20mm screws, 10pcs M3x6mm+6mm screws, 10pcs M3x10mm+6mm screws, 10pcs M3x15mm+6mm screws. 10pcs M3x20mm+6mm screws, 20pcs M3 hexagon nuts, 20pcs M3x6mm pan head screws. Specifications:Material: stainless steel & copper alloyColor: Brass Color & SilverSize: Thread diameter: 3 mm/0.118 inchWeight: 160 g Package include:10pcs M3x6mm screws10pcs M3x10mm screws10pcs M3x15mm screws10pcs M3x20mm screws10pcs M3x6mm+6mm screws10pcs M3x10mm+6mm screws10pcs M3x15mm+6mm screws10pcs M3x20mm+6mm screws20pcs M3 hexagon nuts20pcs M3x6mm pan head screws