ProsKit CP-462G Four-Sided Self-Adjusting Pipe Crimper1. Ergonomic handle and compact design, comfortable grip, more convenient operation 2. With force saving ratchet device, easy to operate, good crimping effect 3. Small size, easy to operate, and with pressure adjustment knob and ratchet release switch to improve product life and efficiency 4. Apply to the general wire, with round insulation or non insulation European style terminals, crimping into a square shaped column 5. Hardness: about 40 degrees