Description Including 880pcs in 4 sizes to meet your different needs, this fine quality stainless steel kit is rust-resistant and durable enough for a long service life. It is applicable to all types assembly, maintenance and repair of precision machinery, electronic products and household appliances, ideal for all types of workers and repairers. Features: - Reliable Quality: Made of 304 stainless steel, this screw combination kit Features high hardness, rust-proof and wear-resistant for a long time using. - 880Pcs Set: screw nuts, washers and countersunk hex head screws in different sizes. - 4 different sizes: Including M2, M3, M4, M5, meeting different sizes. different needs. - Compact storage case: All components can be stored in this case, saving space and easy to carry. - Wide Application: Applicable to all types assembly, maintenance and repair of precision machinery, instruments, electronic products, communication products, locks, household appliances, e lighting, furniture and