【Rust & Corrosion Resistant】 : Made of high quality carbon steel material, zinc plated resists corrosion, durable and sturdy, suitable for long-term outdoor use. 【Secure Design】 : These spring locking pins are structurally strong, wil not loosen during use. Specifications ? Size : 5/16 x 2-1/4 ? Material : Carbon steel ? Color : Silver ? Quantity : 10 Packs Features ? Rust & Corrosion Resistant : Made of high quality carbon steel material, zinc plated resists corrosion, durable and sturdy, suitable for long-term outdoor use. ? Secure Hold : These spring locking pins are structurally strong, wil not loosen during use. ? Arch retainer wire clip... ▪ Secure Hold : These spring locking pins are structurally strong, wil not loosen during use. Specifications ▪ Size : 5/16 x 2-1/4 ▪ Material : Carbon steel ▪ Color : Silver ▪ Quantity : 10 Packs Features ▪ Rust & Corrosion Resistant : Made of high quality carbon steel material, zinc plated resists corrosion, durable and sturdy, suitable for long-term outdoor use. AuInn 5/16 Inch x 2-1/4 Inch Shaft Locking Pin Wire Lock Pin Tractor Safety Pins Assorted Sizes AuInn Pack Of 10 Wire , 5/16 Inch Shaft Locking Pin Heavy Duty Safety Coupler Pin Hitch Pin With Round Arch Wire Retainer For Farm Trailers Lawn Garden Lock Pin Applications ▪ Great for table saw, lawn, gardening, farming, truck, boat, trailer or other locking applications. 【5/16 Diameter】 : These Hitch Pins have an usable length of 2-1/4 (60mm) and diameter of 5/16 (8mm), are suitable for quick release applications in most situations. Arch retainer wire clip provides a quick latch and added clearance. Spring Clip Safety Pins Buy 10 Pieces Wire Lock Pin, 38 Inch 9.21MM Heavy Duty Safety Coupler Pin Shaft Locking Pin For Farm Trailers Wagons Lawn Garden Square Silver Trailer Hitch Pins 10 Pack 【Wide Applications】 : Great for table saw, lawn, gardening, farming, truck, boat, trailer and other locking applications.