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 Grade50 ??mOverall Length (Imperial)449.475 ftOverall Length (Metric)137 mOverall Width (Imperial)1.063 inOverall Width (Metric)27 mmGritNon PertinentVolume208.87 cubic inch3422.72 cm3Weight3.23 lb1.47 kgOther DetailsRoll WindASIProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent