●Bevel type brush which is easy to operate due to the compact high-speed rotating shaft and excellent usability.●Since it is bevel type and hair is exposed diagonally, it is optimum in small corner polishing.●Working Tool: Variable speed type electric micro grinder.●Wire Diameter (mm):0.25●Bristle Material:Diamond Abrasive Grains Nylon #600●Outer Diameter x Shaft Length x Shaft Diameter (mm):15 x 40 x 3●Max Working Rotation Speed (rpm):10000●Comments:Polishing of metal/ceramic products, elimination of scale●Shaft: Free-Cutting Steel