Standard Abrasives S/C Unitized Wheel 853235, 532 3 in x 1/4 in x 1/4 in, 10 per case Wheels in the Standard Abrasives Silicon Carbide Unitized Wheel 500 Series have a soft, conformable density, making them a good match for light-pressure blending, finishing and polishing on flat or contoured partsWhen strict tolerances are required, these non-woven wheels offer operators the finesse needed to deliver precise results. Product Information Brand 3M Part # 7000121886 Origin Country USA Product Type Non-woven Wheels Product InformationCenter hole wheel comes in a range of diameters from 1-12˝ and attaches to tool with a unitized wheel mandrel (sold separately)Cuts faster than Standard Abrasives Buff and Blend non-woven products, though with less flexibilityOpen web is load resistant, contributing to longer abrasive service lifeRuns clockwise and counterclockwise, allowing greater flexibility and versatility when paired with tools and machinesSilicon Carbide mineral is suitable for ferrous and non-ferrous metals, including exotic metals and titanium, as well as compositesSoft density offers exceptional conformability which is especially important for applications with close tolerancesSoft density silicon carbide wheel blends surfaces to a fine finish