Features ‧ Alloy steel jaws Hardness:HV 550 ~650 (HRC52~57) Can strip all types of wire from AWG 10-24 gauge (0.2~6.0mm²). ‧ Micro adjusting the swivel knob to strip electrical wire gauge smaller than AWG24 (0.2mm²) ‧ Adjustable stopper is swiveled if user does not use this function. ‧ For insulated terminals 22-10 AWG (0.5-6.0mm²) ‧ For non-insulated terminals 22-10 AWG (0.5-6.0mm²) ‧ For Auto ignition terminals 7-8mm ‧ OAL: 210mm