Feature 1Product Information: Trailer coupler pin size is 5/16inx23/4in(7.85mmx70mm), suitable for quick locking applications in most situations. 2Features: Shaft locking pins provide quick latching and added clearance, which are sturdy and easy to use and won't come loose during use. 3Application: Widely used in table saws, gardening, agriculture, trucks, boats and canopy components, trailers, satellite dishes, gazebos, plows, mowers and boom sprayers, tractors, etc. 4Performance: This coupler safety pin provides a reliable solution for keeping your trailer coupler latch engaged with the trailer ball, and the retainer clip ensures the pin will not vibrate or rattle. 5Advantages: Square safety coupler pin is made of galvanized iron material, high strength and not easy to break, suitable for long term outdoor use.Item Type:TrailerCouplerPinMaterial: GalvanizedironSize:5/16inx23/4in(7.85mmx70mm)Effective Length: Approx: 70mm/2.75inProduct Color: Silver .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Applicable: trailer, boat, truck, agricultural and other multi purpose usePackage List10 x TrailerCouplerPinNote1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.