1. Stainless steel material, smooth surface, not easy to corrode. 2. Scope of use: It can be used with cotter pins, widely used in industry, machinery manufacturing, furniture DIY, trailers, RVs, yachts, etc. 3. Material: stainless steel 304 4. Specifications: M3*10/12/16/20 M4*12/16/20/25 M5*12/16/20/25 5. Composition: M3*10 x 8 PCS M3*12 x 8 PCS M3*16 x 8 PCS M3*20 x 8 PCS M4*12 x 5 PCS M4*16 x 5 PCS M4*20 x 5 PCS M4*25 x 5 PCS M5*12 x 3 PCS M5*16 x 3 PCS M5*20 x 3 PCS M5*25 x 3 PCS
