1、MULTIPLE SIZES: Including 25pcs M6 round head screws, 5 specifications of M6x40mm, M6x50mm, M6x60mm, M6x70mm, M6x80mm, to meet different needs. 2、COPPER ALLOY: These button head screws are made of copper alloy with high hardness, high chemical resistance and corrosion resistance. 3、NUTS AND WRENCH: Equipped with 25pcs hammer nut and a hex wrench, which can be used together with screws, and has a wide range of applications. 4、FOR REPAIR USE: These M6 screw fasteners are used for various repair, such as instrument, electronics, household appliance, communication product, toys, etc. 5、STORAGE BOX: Equipped with a storage box, used to store and classify these fasteners, which is convenient to access, and provides good protection. 5 x M6x40mm Screws5 x M6x50mm Screws5 x M6x60mm Screws5 x M6x70mm Screws5 x M6x80mm Screws1 x Storage Box1 x Hex Wrench25 x M6 Hammer Nuts Item Type: M6 Screw SetProduct Specification: M6Material: Copper Alloy