DescriptionTrimax THEX836 The THEX836 is a "T-HEX" maximum security chain 5 feet in length with hardened 8 mm hexagon shaped links and integrated lock. Hexagon shaped case hardened trip heat treated super chain. The THEX836 is ideal for securing motorcycles, bicycles, ATVs, watercraft, ladders, construction equipment, trailers and much, much more. Best when used with a TRIMAX premium U-Lock or with a TRIMAX ultra strength padlock. TRIMAX makes the world's toughest locks. Through value added engineering design, TRIMAX is committed to product innovation that holds up to the highest quality standards. TRIMAX provides maximum security for marine, trailer and tow, RV, performance truck, power sports and bicycle applications. Tested. Tough. TRIMAX. TRIMAX offers a lifetime warranty on all of their products.