3M 3311-50A - FOIL TAPE, 2-IN. X 50-YDS. - SCOTCH, 2.0" X 50 YD, 50.8 MM X 9,1 M, FOIL TAPE, 3311 IS IDEAL FOR SEALING JOINTS & SEAMS AGAINST MOISTURE & VAPOR ON FOIL JACKETING INSULATION, CAN ALSO BE USED IN GENERAL MAINTENANCE & AUTOMOTIVE REPAIR...