Wolverine 4″ Stringer Bead Twist Knot Wire Wheel Brush is suitable for cleaning root and hot passes and reaching into corners. Engineered for cost effective use in less demanding applications. 5/8″11″ nut for use on right angle grinders. Narrow face brushes are suitable for cleaning root and hot passes and reaching into corners. Engineered for cost-effective use in less demanding applications. Used for right angle grinder. . .