General InformationBrand3M?Bond TypeResinCore TypeKeyedCountry Of OriginUnited StatesSold AsRollCalifornia ResidentsDimensions and SpecificationsBacking Thickness (Imperial)5 milCore Size (Imperial)3 inCore Size (Metric)76.2 mmMicron Grade30 ??mOverall Length (Imperial)150 ftOverall Length (Metric)45.75 mOverall Width (Imperial)2 inOverall Width (Metric)50.8 mmGritNon PertinentVolume345.6 cubic inch5663.37 cm3Weight1.19 lb0.54 kgOther DetailsRoll WindASOProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent