Check the listing for details. Pro Gaff Dark Blue Spike 1/2" x 45 yd Roll. Color: Dark Blue, Condition: New. Listed at 6.75 USD. Pro Gaff Dark Blue Spike 1/2" x 45 yd Roll Pro-Gaff Spike Tape is a high strength, high performance cloth tape a rubber based adhesive system and a matte finish. The 1/2 Spike Tape is used for marking scenery and actor locations on set. Size: 0.5 inch x 45 yards spike tape Backing: Vinyl coated cotton cloth Adhesive: Rubber based FEATURES Heavy-duty vinyl coated waterproof cloth backing with excellent flexibility High tack tape with excellent adhesion for superior performance Retains flexibility and conformability in both low and high temperature applications Pro-Gaff gaffers tape sticks to irregular and porous surfaces Matte finish with a non-reflective surface TECHNICAL DATA Backing: Cotton Cloth Adhesive: Synthetic rubber based Tensile strength: 50 lbs. per inch Elongation: 4% Total Thickness: 11 mils Adhesion to steel: 75 oz./in Service Temperature: 50°F to 180°F