4PCS Trailer Hitch Pin, Tivnhuils Square Safety Coupler Pin, Zinc Plated Carbon Steel Trailer Pin, 5/16" X 2.75", Medium

High-Strength: Square Safety Coupler Pin is made of carbon stee, sturdy and durable. Durable: Wire lock pin has a zinc-plated outer layer, rust and corrosion resistant. Stable: The semicircular clip of safety coupler pin is made of spring steel, which has good toughness and not easy to fall off after locking. Widely-Used: Trailer coupler pin can fit various trailer couplers, agricultural equipment, yard tools. Size: 5/16” Diameter, 2.75” long.

Material: Alloy Steel, Carbon Steel, carbon, zinc plated Brand: Tivnhuils