General InformationBrand3M?Core TypePlasticCountry Of OriginUnited StatesSold AsRollCalifornia ResidentsDimensions and SpecificationsBacking Thickness (Imperial)5 milCore Size (Imperial)1 inCore Size (Metric)25.4 mmMicron Grade15 ??mOverall Length (Imperial)150 ftOverall Length (Metric)45.75 mGritNon PertinentVolume22.14 cubic inch362.8 cm3Weight0.6 lb0.27 kgOther DetailsRoll WindASOProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent