3M Microfinishing Film Roll 372L, 15 Mic 5MIL, 1.240 in x 300 ft x 3 in Punchdown Tools Head thickness a : 12

Head thickness a : 12 mm

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Openings across flats : ∙ T90

12 point box end with 5° swing arc

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3M Microfinishing Film Roll 372L, 15 Mic 5MIL, 1.240 in x 300 ft x 3 in Punchdown Tools Head thickness a : 12General Information Brand 3M Bond Type Resin Core Type Plastic Country Of Origin United States Sold As Case California Residents Proposition 65 Warning Dimensions and Specifications Backing Thickness (Imperial) 5 mil Core Size (Imperial) 3 in Core Size (Metric) 76. 2 mm Micron Grade 15 m Overall Length (Imperial) 300 ft Overall Length (Metric) 91. 5 m Overall Width (Imperial) 1. 24 in Overall Width (Metric) 31. 5 mm Grit Non Pertinent Width 11 in 27.