Various Sizes Cotter Pin Set: 15 sizes, 150 cotter pins in a clear plastic box, each size contains 10 cotter pins. We supply cotter pins M1 x 8, M1 x 12, M1 x 20, M1.5 x 10, M1.5 x 16, M1.5 x 25, M2 x 10, M2 x 20, M2 x 30, M2.5 x 12, M2.5 x 20, M2.5 x 30, M3 x 12, M3 x 20, M3 x 30, coded according to international standard GB91. We hope to meet your various needs. A fastener: a cotter pin, designed to prevent loosening of threaded connections, commonly known as a spring pin. To effectively lock the bolt and prevent its relative rotation. Durable Stainless Steel: Made of high-quality stainless steel, relatively stable material and smooth surface, resistant to acid and alkali corrosion. Heavy-duty and long-term use. Wide Applications: These cotter pins are a kind of mechanical components, suitable for agricultural equipment, automobiles, garden tools, tractors, trucks, and many other mechanical equipment that require fixing some parts. Be One of Your Repair Tools: One purchase can get