The product has never been used, the packaging was damaged during transport. Unopened product, repacked in our warehouses, in perfect working condition, warranty included. Description Including 880pcs in 4 sizes to meet your different needs, this fine stainless steel kit is quite rust-resistant and durable for a long lifespan. It is applicable to all kinds of assembly, maintenance and repair of precision machinery, electronic products and household appliances, ideal for all kinds of workers and repairmen. Features: - Reliable Quality: Made of 304 stainless steel, this screw combination kit has high hardness, rust resistance and wear resistance for long-lasting use. - 880pcs Set: screw nuts, washers and countersunk hex socket screws in various sizes. - 4 Different Sizes: Including M2, M3, M4, M5, meeting different needs. - Compact Storage Case: All components can be stored in this case, saving space and easy to carry. - Wide Application: Applicable to all kinds of assembly, maintenance and repair of precision machinery, instruments, electronic products, communication products, locks, household appliances, lighting, furniture and toys, ideal for all kinds of workers and repairmen. Specifications: Material: Stainless steel Color: Silver Thread tolerance: 4H Screw diameter: 3mm Screw length: 100mm Package size: Approx. 19 * 13 * 2.1 cm / 7.48 * 5.12 * 0.83 in Package weight: Approx. 514g / 18.13 oz Packing list: 125 * M2 Screw Nut 85 * M3 Screw Nut 45 * M4 Screw Nut 45 * M5 Screw Nut 125 * M2 Washer 85 * M3 Washer 45 * M4 Washer 45 * M5 Washer 10 * Countersunk Hex Socket Screw M5 * 8mm 10 * Countersunk Hex Socket Screw M5 * 12mm 10 * Countersunk Hex Socket Screw M5 * 16mm 10 * Countersunk Hex Socket Screw M5 * 20mm 10 * Countersunk Hex Socket Screw M4 * 8mm 10 * Countersunk Hex Socket Screw M4 * 12mm 10 * Countersunk Hex Socket Screw M4 * 16mm 10 * Countersunk Hex Socket Screw M4 * 20mm 20 * Countersunk Hex Socket Screw M3 * 8mm 20 * Countersunk Hex Socket Screw M3 * 12mm 20 * Countersunk Hex Socket Screw M3 * 16mm 20 * Countersunk Hex Socket Screw M3 * 20mm 30 * Countersunk Hex Socket Screw M2 * 8mm 30 * Countersunk Hex Socket Screw M2 * 12mm 30 * Countersunk Hex Socket Screw M2 * 16mm 30 * Countersunk Hex Socket Screw M2 * 20mm