General InformationBrand3M?Core TypePlasticCountry Of OriginUnited StatesSold AsRollCalifornia ResidentsDimensions and SpecificationsBacking Thickness (Imperial)5 milCore Size (Imperial)1 inCore Size (Metric)25.4 mmMicron Grade20 ??mOverall Length (Imperial)300 ftOverall Length (Metric)91.5 mOverall Width (Imperial)1 inOverall Width (Metric)25.4 mmGritNon PertinentVolume112.95 cubic inch1850.89 cm3Weight1.65 lb0.75 kgOther DetailsRoll WindASOProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent