Description: Screw locking O shape carabiner,strong and durable. Made from 7075 aviation aluminum material,lightweight. Provide comfortable touch and easy to use. Great for outdoor rock climbing, escape & rescue, caving, rappelling, aerial work etc. 25KN Specification: Material: 7075 Aviation Aluminum Length: Approx. 11.2 cm / 4.41 inch Width: Approx. 6.1 cm / 2.40 inch Open Mouth Size: Approx. 2 cm / 0.79 inch Package Includes: 1 Piece Climbing Carabiner Note: Please allow 1-2cm error due to manual measurement. Due to different monitor, the color may have difference