Break load carabiner lengthwise: 26 kN. Break load carabiner crosswise: 9 kN. Break load carabiner open: 10 kN. Weight: approximately 55 g. Carabiner type: D-shape. Carabiner closure: Twistlock. Carabiner dimensions: approximately 100 x 61 mm. Carabiner material: aluminum. Standards or markings: CE 2777 / EN 12275:2013 / UIAA. Snap opening: approximately 17 mm. Twistlock carabiner from MAMMUT is the right locking carabiner for performance-oriented climbers where every gram counts. It is extra lightweight, compact, and easy to handle thanks to its D-shape. The keylock nose ensures that nothing gets caught when clipping and unclipping. The twistlock closure allows for quick, automatic locking and can be operated with one hand. The Twistlock is one of the lightest and most compact twistlock carabiners on the market.