Omega Pacific Carabiner D, Non-Locking, USA Made, ISO Cold Forged Aircraft Aluminum Alloy for Climbing, Safety, Rescue, Industrial, and Arborist Uses STRENGTH - Major Axis 22 Ken (4945 lbs.), Minor Axis 8 ken (1800 Lbs.), Gate Open 6 ken (1350 Lbs.) DIMENSIONS - Gate Opening 17mm, Weight 61 gm Each BENEFIT - Rope Friendly True Radii (No Flat Spots) all rope bearing surfaces CERTIFICATION - CE and ISO 9000 Certified (2015) TESTING - Each Carabineer Proof Load Tested To 50% of Rated Strength