Created especially for rock climbing, as well as safety and rescue, this ANSI certified carabiner with snag free nose is ideal for fall protection when you need it most. This Twist Lock Modified D Steel Carabiner features a twist lock, self-locking gate mechanism for ultimate fall protection. Made from high tensile steel with a yellow / silver zinc plated finish, this rugged modified-d steel carabiner is super strong with a minimum breaking strength of 50kN. Ideal use as rappelling gear for either rock climbing or search and rescue.