13 Sizes 390 Pieces: The cotter pin kit includes: M1.5*6 M2*18 M2.5*10 M2.5*18 M3*6 M3*12 M3*18 M4*8 M4*10 M4*14 M4*20 M5*30 M6*30mm, size and quantity The actual data are sufficient to meet customer needs. meet your different needs. Sturdy and Durable: Double pin High-density manganese steel spring, high hardness. High and stable black oxidation coating to resist wear. corrosion, provide good appearance and durability Wide Range of Applications: Roll pins are widely used in automobiles, machinery, garages, workshops and equipment Power tools for positioning, connection and fixing between parts. Portable: Equipped with In a plastic box, you can classify these pins into small pieces. springs in an orderly manner, making it easy to put in and take out, and find your needs quickly and easily. Perfect Fasteners: The exquisite craftsmanship of the cotter pin kit gives you an excellent experience, smooth and burr-free, the applicant the best choice for fasteners.