ITEM NAME:Alloy Steel Screw Locking Carabiner Outdoor Rock Climbing Hook CE Certified Description: 25KN/ 5500lbs, high strength Screw locking, safety protection Oval-Shape, easy connection CE certified, premium quality Application: rock climbing, hiking, exploring, rappelling, , engineering protection, aerial work Specification: Materials: alloy steel Maximum opening: 18mm/ 0.7 inch Size: 11 x 6cm/ 4.33 x 2.36 inches (L x W) Package Includes: 1 Piece Climbing Screw Locking Carabiner SKU: DMO0008874666007776.1 Piece Climbing Screw Locking Carabiner. Application: rock climbing, hiking, exploring, rappelling,, engineering protection, aerial work. Screw locking, safety protection. CE certified, premium quality.