Abrasive Ball 2in 50mm 80 Grit | PMD Products Zinc-plated 1/4 (6mm) steel shank 4 Inch Abrasive Sanding Ball 4" 100 Scotch Type Brite Abrasive Non Woven Wheel Scuff 180 Grit 320 Grit Polishing Ball 4 100mm Abrasive Non Woven Scotch Brite Polishing Abrasive Ball 320 grit 320 Grit Deburr, Refinish or Polish any surface 4 (100mm) Diameter Ball mount: 1/4 (6mm) diameter shaft * Working cylinder range of 3-5/8 - 4 * 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 * Use for heavy scrubbing, removal of rust or scale 8.99 Save $-8.99 · Working cylinder range of 3-5/8 - 4 · Scotch type material 320 grit · Scuff tool can be used for 2 Cycle Engines with Chrome or Nikasil Coated... 1-1/2 inch diameter (38mm) Abrasive Non Woven Scotch Brite Polishing Abrasive Ball 320 grit320 Grit Deburr, Refinish or Polish any surface, Mount: 1/4... Works at a variety of speeds, up to 12000 RPM max Works in any drill chuck, Provides consistent finish, For heavy scrubbing, removal of rust scale