The Mad Rock Ultra Tech Screwate locking carabiner also features the forged I-beam construction and a no-snag gate. These biners are perfect for building anchors or anywhere a smaller locking carabiner is appropriate. Specs: Major Axis: 25KN Minor Axis: 9KN Open Gate: 9KN Dimensions: 95mm x 55mm Gate Opening: 18mm Weight: 56gm Certified: CE Individualy tested: 25% Rated Load