Description: Firepower Crimped-Type Wire Wheel Brush, 6"Diameter, 1"Wide. Carbon steel and stainless steel wire. Firepower brushes are well-suited for use in the welding and fabricating industries. They are used for surface preparation prior to welding and brazing and for removing weld scale and spatter after the welding operation. Arbor hole - 5/8"- 1/2". Wire size - .014".