Norton 39103, Carbon Steel 4" Knot Wire Cup Brush, 5/8-11 Threaded Arbor Mount, Pack of (1)

4" Cup Brush, Cup Brush, Bristle Type Knotted Wire, Brush Dia. 4 In., Mounting Type Arbor Hole, Arbor Hole Size 5/8 In.-11, Abrasive Shank Size No Shank, Wire Dia. 0.020 In., Bristle Trim Length 1-1/8 In., Abrasive Material Carbon Steel, Max. RPM 9000'