General InformationBrandStandard Abrasives?Attachment TypeTRCountry Of OriginUnited StatesSold AsCartonCalifornia ResidentsDimensions and SpecificationsMaximum Speed20000 rpmOverall Diameter (Imperial)1.5 inOverall Diameter (Metric)38.1 mmCenter Hole Thread SizeNon PertinentGritNon PertinentMicron GradeNon PertinentWidth4.5 in11.43 cmHeight4.25 in10.8 cmLength4.5 in11.43 cmVolume86.06 cubic inch1410.31 cm3Weight6.48 oz183.7 gOther DetailsProduct CategoryNon-woven AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideGradeVery FineProduct FormDiscColor and AppearanceProduct ColorBlue