100 Pcs Cotter Pins Assortment Kit, Stainless Steel R Clips Spring Retaining About this item ?High Quality ?These R pins are made of high-quality carbon steel, zinc plated for durability and corrosion resistance. They feature a smooth surface without burrs. The high hardness and strong spring tension make the pin resistant to detachment during operation ?Hairpin Design? Adopting a hairpin design, these zinc plated hitch pins lock the bolt quickly and securely, preventing relative rotation. They are easy to install, disassemble, and reuse. Once fixed, they remain securely in place, resisting slippage and fall-off ?You Will Get? You will receive 100 pcs carbon steel cotter pins in 6 different sizes, fulfilling your diverse usage needs. They are packaged in transparent storage boxes for easy storage and retrieval of required sizes, making them easy to carry and organize