The Crimpmaster(c) ratcheting crimp tool offers versatility with interchangeable dies for crimping RF, wire terminals, and modular plugs. There are over 15 different die sets available adding versatility the Crimpmaster crimp tool. This professional tool features a heavy-duty, carbon steel frame construction with a black oxide coating. Large, ergonomic handles provide comfort and leverage for users during the crimping process. The ratcheting action ensures a complete crimp cycle and will not release preventing under crimped connectors. A release lever allows users to release the tool if for whatever reason a full crimp cannot be completed. Includes the Crimpmaster tool frame and die set for insulated ring, butt, and splice wire terminalsThree-cavity die: 22 AWG 10 AWGDie set also available individually (see part number 30-579)