Size: M3 x 8mm/12mm/16mm/20mm socket head cap screws; M3 M4 M5 washers
High Qulity: Made of high quality 10.9 grade alloy steel, superior rust resistance and oxidation resistance offers lasting performance in high temperature, cold weather, and high humidity areas
Application:This kit can be widely used in precision machinery, classied instruments, electronic products, household appliances, locks, lamps, lights, toys etc.
Storage Box: 440pcs screws and nuts are organized in a sturdy convenient storage case
Buy with Confidence: Free return for mistaken purchase. If there is any problem, please feel free to contact us, we will try our best to solve your problem