3M Lead Foil Tape 420 Dark Silver 3.5 in x 36 yd [00-051138-94607-4] - $247.82 : , 3M Tapes, Adhesives, Abrasives, Foam ,Rubber, Silicone, Mold Making Silicone and Industrial Supplies. 3M, QSI, Shin Etsu, Rogers, Saint Gobain, Intertape