• 3/4; I.D. preformed coil heats nuts up to 5/8; in deep areas up to 11; • Heat and expand frozen, rusted, or thread-lock compound nuts with out the collateral damage from a flame • Uses high frequency magnetic fields to heat metal and only metal, induction heat • Operates on 120 volts/1000 watts of power! • Faster and safer than a torch • Estimated 500 uses minimum. Heating a nut red hot will reduce the life of this coil.
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