1" x 12', Black, Rescue Tape, .30 Thick, Self-Fusing, Premium Quality Silicone, Used By The US Army As Part Of The Battle Damage Assessment & Repair Kits BDAR, Carried On Military Vehicles & Tanks, For Emergency Product For Plumbing, Automotive, Electrical & Industrial Repairs, Creates A Permanent Airtight, Watertight Seal In Seconds, Repair & Seal Leaky Hoses, Pipes, Tubing, Lines, & Fittings, Works Even Over Oily Or Dirty Surfaces, Resists 500 Degrees & Remains Flexible To - 85 Degrees, Insulates 8,000V, 950 PSI Tensile Strength, Resists Fuels, Oils, Acids Solvent, Salt Water, Road Salt & UV Rays, Meets & Significantly Exceeds Military Specifications MIL-Spec.