General InformationBrand3M?Bond TypeResinCore TypePlasticCountry Of OriginUnited StatesSold AsRollCalifornia ResidentsDimensions and SpecificationsBacking Thickness (Imperial)5 milCore Size (Imperial)3 inCore Size (Metric)76.2 mmMicron Grade40 ??mOverall Length (Imperial)449.475 ftOverall Length (Metric)137 mOverall Width (Imperial)0.787 inOverall Width (Metric)20 mmGritNon PertinentVolume153.57 cubic inch2516.55 cm3Weight2.37 lb1.08 kgOther DetailsRoll WindASIProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent