Item #: 15029275Brand: WALTER Surface TechnologiesModel #: 13W761 Features and Benefits Stringer bead twist brushes have tightly wound wires, giving them a narrow end face. They have low to medium flexibility to provide the most aggressive brushing action. Steel is the most common filament/wire material due to its durability and cutting action. It is suitable for general purpose applications and can be used on iron, steel, aluminum, brass, copper, and wood. Product Specifications Outside Diameter (Inch) 6-7/8 Arbor Hole Thread Size 5/8-11 Wire Type Stringer Bead Fill Material Steel Face Width (Inch) 6-7/8 Trim Length (Inch) 1-1/2 Filament Wire Diameter Range 0.0200-0.0299 Maximum RPM 9000 Shank Included No Wire Knot Type Stringer Bead Twist Filament/Wire Diameter (Decimal Inch) 0.0200 Encapsulated No Brush Color Gray Arbor Hole Style Threaded