OwnMy 16PCS Square and Arched Trailer Coupler Pin Trailer Hitch Pin with Quick Release Rings, 5/16" Dia x 4" Length Prevent Loss Shaft Locking Pins Coupler Pins for Farm Trailer Wagon Towing Hitches - OM-US-00457

• Package Includes: 16 x Trailer Coupler Pins (8 x Square and 8 x Arched) with Stainless Steel Extended Wires and Steel Quick Release Rings, the sufficient quantity and the practical shape combination will meet different using requirements. Detailed Dimension: Overall size of this locking hitch pin measures about 5/16" (8mm) in diameter and about 4" (100mm) in length, the length of the steel release wire ring is about 22cm/ 8.7", PLEASE confirm the size information on the third picture before purchasing!! 2 Shapes of Locking Pins: Practical square and arched coupler pins with spring retaining clips are used to secure various trailer couplers, trailer hitches, towing hitch pintle hooks or more trailer connectors, not easy to loosen when in use, help to tightly lock your trailer coupler in place to prevent from loss. Easy to Use: Semi elastic pins are convenient to open or close, quick release rings with long stainless steel wires will provide secure and solid connection, just insert this hitch pin into the trailer coupler latch and clip the pin to finish, suitable for farms, agricultures, lawns and gardens, towing, wagons, trucks, boats, trailers or other coupler / hitch locking applications. Sturdy Material: Made of durable carbon steel material, this set of trailer coupler pins is dust-proof, rust-proof and wear-resistant, not easy to bend, deform or damage, has a strong load carrying capacity, strong strength and good stability, designed for indoor / outdoor use.