IPG Iron Grip 17 Mil Heavy Duty Duct Tape 1.88" x 35 yd, Black Intertape premium duct tape, adheres well to a wide variety of surfaces Ideal for applications that require high strength and adhesions Use for patching of utility access holes, taping of ductwork, as well as other heavy-duty applications All weather resistant, use under a wide range of temperature conditions Easily dispenses from roll for fast use Professional quality, ultra-tough, tested in accordance with UL -723 Made in USA