●Flat type brush that is easy to operate due to compact and high-speed rotation, and has excellent usability.●Polishing of fine parts.●Polishing of fine grooves.●Corner adjustment.●Polishing of uneven areas.●Polishing of pipe's inner side.●Working Tool: Variable speed type electric micro grinder.●Wire Diameter (mm):0.30●Bristle Material:Abrasive Grain Nylon #320●Outer Diameter x Shaft Length x Shaft Diameter (mm):23 x 40 x 3●Max Working Rotation Speed (rpm):15000●Comments:Inner diameter polishing, burring, black layer removing of various metal products.●Shaft: Free-Cutting Steel
