KwikSafety Screw Lock Aluminum Carabiner - Meets EN362:2004B & CE 0299 - 3600 LBS Gate Strength - 6 Pack High Quality Aluminum Alloy - Yellow ANSI Z359.12 - 3600 LBS Gate Strength, Min Breaking Load 5000 LBS Meets CSA Z259.12-01, EN 362:2004B & CE 0299 Stamped to a capacity of 40KN Durable Screw Lock Carabiner, 6 Pack.