Shop › Pro-Gaff Black Gaffers Tape: 2"x 55yds Image 1 of 1 Pro-Gaff Black Gaffers Tape: 2"x 55yds $19.99 - Backing: Vinyl impregnated cotton cloth - Adhesive: Synthetic rubber resin - Total thickness: 12 mils. - Adhesion to steel: 45oz. Per inch - Tensile: 48 pounds per inch