Features and Benefits:Heat and expand frozen, rusted, or thread-lock compound nuts with out the collateral damage from a flameUses high frequency magnetic fields to heat metal and only metal, induction heatOperates on 120 volts/1000 watts of power!Faster and safer than a torchLoosen seized hardware, bearings, gears, pulleys, lug nuts, inline applications, fuel tank straps, PDR applications (paintless dent repair), O2 sensors, and much more! U-form coil allows Mini-Ductor users to wind their own custom coil. This coil is 23" in length. Estimated 500 uses minimum. Heating a nut red hot will reduce the life of this coil. Changing the shape of this coil frequently will reduce its life expectancy. Other Mini Ductor Accessories available below:Mini-Ductor II Magnetic Kit MD-700Mini Ductor Master Heating Coil Accessory Assortment Kit 7/8" I.D. Preformed Heating Coil for Mini-Ductor Extened Long 7/8" I.D. Preformed Heating Coil for Mini Ductor Coil Kit for Mini-Ductor Includes 7/8" , U-Form, Bearing Buddy Coils1 3/4" I.D. Preformed Heating Coil for Mini-Ductor 1 1/2" I.D. Preformed Heating Coil for Mini-Ductor 1 1/4" I.D. Preformed Heating Coil for Mini-Ductor 1" I.D. Preformed Heating Coil for Mini-Ductor Bearing Buddy Coil for Mini Ductor Mini Ductor Long Coil Kit IDIMD99-675Mini Pad for the Mini Ductor - Pin Stripe Decal Molding Graphic Remover