General InformationBrand3M?Attachment TypePSABond TypeResinCoat TypeClosed CoatCore TypeNon PertinentSanding TypeWet/DryCountry Of OriginUnited StatesSold AsCartonCalifornia ResidentsDimensions and SpecificationsBacking WeightX WeightGrit40Overall Diameter (Imperial)8 inOverall Diameter (Metric)203.2 mmMicron GradeNon PertinentWidth4.3 in10.92 cmHeight8.5 in21.59 cmLength8.4 in21.34 cmVolume307.02 cubic inch5031.16 cm3Weight6.72 lb3.05 kgOther DetailsIndustriesMetalworkingSub IndustriesMetal FabricationProduct CategoryCoated AbrasivesUsage InformationApplicationGrindingEquipment - MachinesBench Top MotorsFor Use OnAluminumSub ApplicationsRandom Orbital SandingEquipment MachinesRandom Orbital SandersBench Top MotorsMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialClothProduct FormDiscColor and AppearanceProduct ColorBrown