[High Quality Material]The locking pin is made of 316 stainless steel, sturdy, , anti-rust, anti-, and not easy to deform. [Wide Application]They are very suitable for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications. [Self-locking Design]The lynch pin is designed with a self-locking ring, and the spring locking pins are structurally strong, which are very convenient to use and not loosen during use. [Easy to Use]These safety hitch pins are super convenient and are small enough to be accessible wherever and whenever you need them. [Quantity & Size]You receive a package which includes 4pcs lock pins, total length: 40mm; diameter: 4.5mm., Weight: 0.1433004703 pounds, Manufacturer: Frewurwer