General InformationBrand3M?Bond TypeResinCore TypePlasticCountry Of OriginUnited StatesSold AsRollCalifornia ResidentsDimensions and SpecificationsBacking Thickness (Imperial)5 milCore Size (Imperial)1 inCore Size (Metric)25.4 mmMicron Grade30 ??mOverall Length (Imperial)500 ftOverall Length (Metric)152.5 mGritNon PertinentVolume470.65 cubic inch7712.51 cm3Weight19.95 oz565.57 gOther DetailsRoll WindASOProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent