3M Microfinishing Film Roll 372L, 60 Mic 5MIL, .59 in x 150 ft x 5/8 inGeneral Information Brand 3M Bond Type Resin Core Type Coreless Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Backing Thickness (Imperial) 5 mil Core Size (Imperial) 0. 625 in Core Size (Metric) 15. 875 mm Micron Grade 60 m Overall Length (Imperial) 150 ft Overall Length (Metric) 45. 72 m Overall Width (Imperial) 0. 59 in Overall Width (Metric) 14. 986 mm Grit Non Pertinent Width