Pro'sKit CP-384N D-Sub Rachet Wheel Contact Crimping Tool Ratchet Crimping Pliers Hand Tool New mechanical design, up to 30% crimping force saving than regular crimper. Made from high quality carbon steel with black oxide finished for anti-rust. High crimping quality due to precision dies and integral lock. Ergonomically shaped non-slip TPR handle for user comfort. The thickness of 6.0mm ratcheting mechanism provides high effort saving and good pressure adjustment. OAL: 225 2mm