Premium surface conditioning drums Excellent for producing a wide variety of shadow-free finishesUse them to polish, burnish, blend, deburr, clean and brighten in stainless steel,aluminum, brass, copper and other alloysUnique gluing process allows for longer life and uniform wear to get the most out of every drum. Product Information Brand WALTER Part # 07M445 Line Blendex Application Line Finishing, Polishing, Blending, Deburr, Cleaning Arbor 5/8 Inch - 11 Diameter 4-1/2 Inch Grade Super Fine Width 4 Inch Max RPM 3,800 Origin Country DE Product Type Drums RPM 2,000 Product InformationLong life drums Will give uniform and consistent finishesSuggested ApplicationExcellent for line finishing For polishing, blending ,deburring and cleaning Produce a wide variety of shadow-free finishes