Features 1、Complete specifications, there are multiple models of M2‑M12 to choose from. 2、304 stainless steel has good rust resistance, corrosion resistance, heat resistance and low temperature strength, etc. 3、Nylon self‑locking anti‑loosening ring design, better tightening effect, anti‑loosing and anti‑dropping. 4、The surface of the nut is smoothly, no burrs, no burrs, easy to use without scratching. 5、A large number, can meet your use and replacement needs, very practically. Specification Item Type: Self-Locking Nuts Material: 304 stainless steel + nylon Specification and Quantity: 80 x M2 Nuts 60 x M3 Nuts 50 x M4 Nuts 30 x M5 Nuts 30 x M6 Nuts 15 x M8 Nuts 10 x M10 Nuts 6 x M12 Nuts Package List 1 Boxed Nuts