Check the listing for details. 30KN Screwgate Locking Carabiner Aluminum Alloy D-Ring Hook for Climbing Caving. Color: Orange, Condition: New. Listed at 12.99 USD. * CE Certified and High Quality: CE1019 & EN362. The material of locking carabiner is aluminium magnesium alloy. It has the advantages of high strength, light weight, smooth surface and corrosion resistance. Longitudinal tensile is 30KN, transverse tensile is 8KN and open tensile is 7KN. * D-Shape Locking Carabiner: The D-Shape of the locking carabiner determines that it is easy to connect, so that the safety harness and protective tools after the connection will always be fixed in the position of the long axis with high strength. * Anti-skid Design: The nut of the locking carabiner adopts anti-skid design, which can lock the lock door more smoothly and ensure the safety of use. The groove design can effectively prevent the climbing lock from sliding when connecting parts.