3M Extra Heavy Duty Duct Tape 6969, Silver, Industrial Strength, Water Resistant, 10 mil, 72 mm x 54.8 m, 12/Case: Amazon.com: Industrial & Scientific
3M TALC 3939 Heavy Duty Duct Tape, Silver, 2.83 in x 60 yd x 9.0 mil – Professional Grade Water-Resistant Duct Tape for Sealing, Holding, Bundling and Reinforcing, 12 Pack: Amazon.com: Industrial & Scientific