Multiple Sizes Split Pin Set: 15 sizes, 150pcs split pin in a transparent plastic box, each size with 10pcs. We will deliver you M1*8, M1*12, M1*20, M1.5*10, M1.5*16, M1.5*25, M2*10, M2*20, M2*30, M2.5*12, M2.5*20, M2.5*30, M3*12, M3*20, M3*30, coded by international standard GB91, hope to meet your your various demands. A Fastener Part: Cotter Pin, designed to prevent loosening of threaded connections, commonly known as spring pin. In order to lock the bolt and prevent its relative rotation effectively. Durable Stainless Steel: Made of high quality stainless steel, relatively stable material and smooth surface, not easy to be corroded by acid and alkali. Hard and long-term use. Wide Applications: These cotter pins are a kind of mechanical components, they are suitable for agricultural equipment, automobiles, garden tools, tractors, trucks and many other mechanical equipments that require fixing certain parts. Be one of your repair tools: one purchase can get 15 sizes of cotter pin,