Scuff tool is ideal for polishing odd shapes, inside tubes, gasket removal Works in any drill chuck, Provides consistent finish, For polishing or rust haze removal Brand Name Aluminum oxide abrasive Works at a variety of speeds, up to 12000 RPM max Zinc-plated 1/4" (6mm) steel shank 2" 50mm Abrasive Non Woven Scotch Brite Polishing Abrasive Ball 320 grit 320 Grit Deburr, Refinish or Polish any surface 2" (50mm) Diameter Ball mount: 1/4" (6mm) diameter shaft * Working cylinder range of 1-5/8 - 2" * Scotch type material 320 grit * Scuff tool can be used for 2 Cycle Engines with Chrome or Nikasil Coated Bore * Scuff tool is ideal for polishing odd shapes, inside tubes, gasket removal * Works at a variety of speeds, up to 12000 RPM max * Works in any drill chuck * Saves time and effort on tough jobs * Gives a more consistent finish * Brand Name Aluminum oxide abrasive * Zinc-plated 1/4" (6mm) steel shank *