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 Grade20 ??mOverall Length (Imperial)450 ftOverall Length (Metric)137.25 mOverall Width (Imperial)0.945 inOverall Width (Metric)24 mmGritNon PertinentVolume135.96 cubic inch2227.96 cm3Weight2.32 lb1.05 kgOther DetailsRoll WindASIProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent