General InformationBrand3M?Bond TypeResinCore TypeCorelessCountry Of OriginUnited StatesSold AsRollCalifornia ResidentsDimensions and SpecificationsBacking Thickness (Imperial)5 milCore Size (Imperial)1.25 inCore Size (Metric)31.75 mmMicron Grade40 ??mOverall Length (Imperial)900 ftOverall Length (Metric)274.25 mOverall Width (Imperial)0.472 inOverall Width (Metric)12 mmGritNon PertinentVolume239.8 cubic inch3929.55 cm3Weight45.6 oz1292.72 gOther DetailsRoll WindASOProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent