Neiko 40409B Ratcheting Terminal Crimping Tool, 10-22 AWG | Adjustable Tension | Ratchet Lock Ratcheting wire terminal crimper has feature that releases when proper pressure is met Heavy duty ratcheting crimping tool has compound mechanical leverage for easy cold welds Color coded head has jaws to crimp three size holes from 10-22 AWG gauge wire Ratcheting action makes perfectly consistent shaped crimps to prevent distorted terminals Features adjustable crimping compression mechanism and up/down ratchet lock