3M Standard Abrasives A/O Unitized Wheel, 863135, 631, 3 in x 1/4 in x 1/4 in 3M Standard Abrasives A/O Unitized Wheel 863135 is used for tough deburring, blending, finishing and polishing on ferrous and non-ferrous materialsIt is bi-directional and can be mounted on a tool or pedestal grinder without regard to the spindle rotation direction. Product Information Brand 3M Part # 7000046907 Origin Country USA Product Type Non-woven Wheels Product InformationConforms to work piece which prevents undercutting/gouging and less operator fatigueEasy to changeIncreased durability means more productivityIncreased edge durabilityNon-metallic means no contamination of work pieceNon-woven construction resists loadingSmear resistant formulaSuggested ApplicationFerrous materials, non-ferrous materials, aluminum, stainless steel, high nickel/chrome alloys, titanium, composites