Rock Climbing Carabiner 25K Lock D-Buckle Outdoor Protection Specifications: Hollow aluminum material has the characteristics of high strength, light weight and convenient carrying. The door lock is designed with an anti-hook system to prevent the hook from hanging, especially when you are trying your best to reach the security station, the anti-hook system is especially important. The door is locked with a threaded swivel nut that requires manual rotation when closing and unlocking, and the threaded fasteners are fragile and difficult to jam. The D shape determines that it is easy to connect. When combined, the seat belt and safety tools are always fixed in a good force position long axle. Suitable for mountaineering, rock climbing, expansion, cave exploration, rappelling, rescue, high-altitude operations, engineering protection, lifting, etc. Item Name: Carabiner Material: 7075 Aviation Aluminum Tensile Force: 2500kg in Longitudinal 25K, 800kg in Transverse 8KNC Features: Durable, Climbing Tool, Easy to Use Size: 10cm x 6cm/3.94" x 2.36", Aperture: 1.7cm/0.67" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included:1 x Carabiner