Description: 30KN/ 6600lbs, high strength Screw locking, safety protection D-Shape, heavy duty CE certified, premium quality Application: rock climbing, hiking, exploring, rappelling, rescue, engineering protection, aerial work Specification: Color: Black Materials: Carbon Steel Size: approx. 100 x 55mm/ 3.9 x 2.17 inches (L x W) Gate Opening: 16mm/ 0.63 inch Package Includes: 1 Piece D Shape Climbing Carabiner