This Ring Polishing Rod Has Layers And Layers Of Various Grits Of Polishing Paper, To Give You Just The Finish You Need. You Are Sure To Find Just The Right Polishing Surface For Any Ring You Are Working With.* Includes 6 Grit Sizes * Size : 1" at Base and tapers to 1/3" * Ideal For The Inside Of The Ring * For Ring Design & Repair * Excellent Quality