A complete set of Stainless Steel Nuts, Phillips Head Bolts and Washers in M3, M4, M5 and M6 sizes. Stainless Steel grade 304 (Rust Resistant). Compartmented storage case. Sizes Inc: Bolts (Phillips Head): 12pc M3x25mm | 16pc M4x12mm | 14pc M4x20mm |10pc M4x40mm | 6pc M4x50mm | 10pc M5x25mm | 8pc M6x25mm | 6pc M6x40mm. Nuts: 24pc M3 | 18pc M4 | 12pc M5 | 16pc M6. Washers (Diameter mm): 26pc 3mm | 18pc 4mm | 12pc 5mm | 16pc 6mm. Brand: Toolzone. .