General InformationBrand3M?Attachment TypeHook & LoopBond TypeResinCoat TypeOpen CoatCountry Of OriginUnited StatesSold AsCartonCalifornia ResidentsDimensions and SpecificationsBacking WeightD WeightGrit36Overall Diameter (Imperial)8 inOverall Diameter (Metric)203.2 mmWidth0.21 MetreHeight0.21 MetreLength0.04 MetreVolume98.4 cubic inch1612.57 cm3Weight33.6 oz952.5 gOther DetailsNumber Of Vacuum Holes8 Material and CompositionAbrasive MaterialCeramic Aluminum OxideProduct FormDiscBacking MaterialPaperColor and AppearanceProduct ColorPurpleProduct FeaturesVacuum SupportYes