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 Grade30 ??mOverall Length (Imperial)650 ftOverall Length (Metric)198 mOverall Width (Imperial)0.492 inOverall Width (Metric)12.5 mmGritNon PertinentVolume476.16 cubic inch7802.82 cm3Weight20.25 oz574.19 gOther DetailsRoll WindASOProduct CategoryCoated AbrasivesMaterial and CompositionAbrasive MaterialAluminum OxideBacking MaterialPolyester FilmProduct FormRollGradeNon Pertinent