Tire Groover Cutter Grooving Iron (3) Heads & 3) Blades Ideal Tire Groover Heating Capacity of 250 watts. Plugs into standard 110 volt outlet Cord Length: 7 foot Includes: #3 Head, #4 Head, & #5 Head Includes:12 pack of eachsize:#3 blades (.150"), #4 blades(.215") & #5 blades (.290")