Large D shape for great handling, huge gate opening and massive strength! At a rated strength of 72kN, it's one of the strongest carabiners in the world! Heat-treated, half-load tested (over 8000 lbf.) and built to exacting standards, the ½" Large D is one very fine steel carabiner.
Exceeds NFPA 1983.01 standards. Exceeds ANSI/OSHA strength requirements. Meets NFPA 1983.01 construction standards. UL Classification G.