Firepower Steel 1.25 in Grinding Wheel Cordless Tool Battery These Hillman split lock washers 1000173277 These Hillman split lock washers provide a secure hold that resists loosening from vibration and corrosion foundation anchors and other metal framing hardware Each individual knot contains an equal number of top quality high carbon tempered wires which gives the wheel an exact balance and long life Firepower brushes can be furnished in either standard twist in carbon and stainless steel 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