1INCLUDED TOOLS: This fastener kit includes countersunk head socket cap screws, nuts and washers, sufficient quantity for easy use and replacement. 24 SPECIFICATIONS: This screw assortment set includes M2 M3 M4 M5 common specifications, suitable for different repairing and fastening needs. 3STAINLESS STEEL: Made of excellent 304 stainless steel, has high hardness and good toughness, rust and corrosion resistance, not easy to wear. 4GOOD PERFORMANCE: These screws, washers and nuts have a certain elasticity and good load, shockproof to avoid loosening, safe and convenient to use. 5STORAGE BOX: Comes with a storage box with compartments for great organization and storage of these fasteners, and provide extra protection.