330pcs Brass knurled nuts, come in various sizes to meet different needs. Features: Made from environmentally friendly brass, which is corrosion resistant, rust-proof, and has good thermal and electrical conductivity. 330pcs knurled nuts come in various sizes, M2/M3/M4/M5, to meet different needs. Carefully crafted, fine thread, no burrs or flash. Packed in a High quality box for easy storage and to avoid unexpected loss during use. Specifications: Material: Brass Color: Yellow Quantity: 330pcs Size: M2, M3, M4, M5 Item Size: 17.4 x 9.8 x 2.2cm / 6.85 x 3.85 x 0.86in Item Weight: 228g / 8.04oz Package Weight: 228g / 8.04oz Package Size: 17.4 x 9.8 x 2.2cm / 6.85 x 3.85 x 0.86in Packing List: 30 x M2x4x3.5 30 x M2x6x3.5 30 x M2x8x3.5 20 x M2x10x3.5 30 x M3x4x5 30 x M3x6x5 20 x M3x8x5 20 x M3x10x5 30 x M4x4x6 20 x M4x6x6 20 x M4x8x6 15 x M4x10x6 15 x M5x6x7 10 x M5x8x7 10 x M5x10x7 1 x Organizer Box Package List: 30 x M2x4x3.5 30 x M2x6x3.5 30 x M2x8x3.5 20 x M2x10x3.5 30 x M3x4x5 30 x M3x6x5 20 x M3x8x5 20 x M3x10x5 30 x M4x4x6 20 x M4x6x6 20 x M4x8x6 15 x M4x10x6 15 x M5x6x7 10 x M5x8x7 10 x M5x10x7 1 x Organizer Box