Strips wire from 10-24 AWG. Adjustable stopper controls the length of the core strip. Swivel knob micro-adjusts for gauges smaller than 20 AWG. Wire crimper crimps 10-22 AWG insulated; 10-22 AWG non-insulated & 7-9mm ignition terminals. Wire cutter extends versatility. Protouch grips provide maximum comfort & reduced hand fatigue.