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 durable 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 * 9.8 * 2.2cm / 6.85 * 3.85 * 0.86in Item Weight: 228g / 8.04oz Package Weight: 228g / 8.04oz Package Size: 17.4 * 9.8 * 2.2cm / 6.85 * 3.85 * 0.86in Packing List: 30 * M2*4*3.5 30 * M2*6*3.5 30 * M2*8*3.5 20 * M2*10*3.5 30 * M3*4*5 30 * M3*6*5 20 * M3*8*5 20 * M3*10*5 30 * M4*4*6 20 * M4*6*6 20 * M4*8*6 15 * M4*10*6 15 * M5*6*7 10 * M5*8*7 10 * M5*10*7 1 * Organizer Box