6 Sizes: 230 cotter pins, sizes: 100×M1*16,50×M2*20, 30×M2.5*25,20×M3*30, 15×M4*35, 15×M5*50, enough to meet your needs. your daily needs. Sturdy and durable: made of high quality 304 stainless steel, it is wear-resistant. Corrosion, wear-resistant, sturdy and difficult to distort and distort fracture, with beautiful appearance and durability. Exquisite craftsmanship: The hairpin design makes it easy to break. The hair provides a quick and secure grip for bolts and pins, the surface is smooth and burr-free, so you don't have to worry about screwing. Worry about hurting your fingers while working. Wide range of applications: widely used in repair, maintenance and repair of cars, machinery, auto repair shops, workshops, electrical appliances, cars, trucks, lawn mowers, lawns, small engines, etc. Portable: supplied with plastic sorting box, easy to store. Put away for transportation and transport. With the enclosed data sheet, you can quickly and easily find what you need. Product box