Dependable, rugged construction and long element life. High temperature element core assures best performance available. Strong wooden handle. The Electric Burn-In Knife also features a high temperature extra flexible neoprene power cord - 6 ft. in lightweight 3 conductor style, 20 watts, UL and CSA listed, and weighs 8 oz. Burn-In Knife comes equipped with a flat blade and a curved blade can be purchased separately. Heat Control Unit may be used for controlling low to high heat temperature.