Heating Capacity of 250 watts. Plugs into standard 110 volt outlet. #3 Head, #4 Head, & #5 Head. 12 pack of each size: #3 blades. We allow substitutions for the #3 and #5 only. To be used in US only - International tire groover available. The item "Ideal Tire Groover Cutter Grooving Iron (3) Heads & 3 Blades" is in sale since Wednesday, November 10, 2010. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Wheels, Tires & Parts\Tire Accessories". The seller is "brykeracing" and is located in Lincoln, Arkansas.