Trimax TH6 5/8" x 6-1/8" Diameter Premium Swing Away Trailer Lock<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>5/8 inches pin fits class III， IV and V hitches</li><li>Patented design， incorporates O-ring and water tight cap to help seal out dirt and corrosion</li><li>Strongest locking pin on the market</li><li>Large dual lock lugs prevent false locking and lock can't pop open</li><li>Rugged key won't bend or break</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21o7j%2B5jAcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BMzLLmvpL.jpg" noproxy>