M2 M3 M4 M5 Countersunk Head Hex Socket Screw 304 Stainless Steel Screw Nut Washer Assortment Set.Feature: 1. INCLUDED TOOLS: This fastener kit includes countersunk head socket cap screws, nuts and washers, sufficient quantity for easy use and replacement. 2. 4 SPECIFICATIONS: This screw assortment set includes M2 M3 M4 M5 common specifications, suitable for different repairing and fastening needs. 3. STAINLESS STEEL: Made of excellent 304 stainless steel, has high hardness and good toughness, r