ITEM NAME:30KN/6600lbs D Ring Carbon Steel Screwgate Locking Outdoor Rock Climbing Description: CE Certification. Materials: Carbon Steel. Color: Black Dimension: Approx. 52 x 98 mm/ 2 x 3.86 inches (L x W) Gate Opening: 16mm/ 0.63 inch Vertical Pull Strength: 30KN/ 6600lbs Great for outdoor rock climbing, escape & , caving, rappelling, aerial work etc. Package Includes: 1 Piece D Ring Climbing Carabiner SKU: DMO0017474966001605.Vertical Pull Strength: 30KN/ 6600lbs. 1 Piece D Ring Climbing Carabiner. Great for outdoor rock climbing, escape &, caving, rappelling, aerial work etc. CE Certification. Materials: Carbon Steel.