Brush Research BC11812 Flex Hone, for Brake Cylinders, 1-1/8″ Diameter (29mm), 120 Grit, 8″ Overall Length

Flexible Honing Tool, Bore Dia 1.125 In, Bore Dia 29 mm, Fill Type Silicon Carbide, 120 Grit, Grit Type Coarse, Overall Length 8 In, Brush Length 3.00 In, Stem Dia 0.245 In, Max RPM 1000, For Finishing Any Type or Size of Cylinder, For Use With Drill Motors, Drill Presses, Lathes and CNC. Sizes from 4mm to 36 inches.