QE QUALITY PVC electrical insulation tape specifications inlcude: works in temperatures up to 176 degrees F, 80 degrees C, functions in electrical systems up to 600 Volts, flexible backing that contours well and holds its grip, width in mm: 19, length in meters: 28, tensile strength: 22 lbs., thickness: .15 mm, elongation: 169%, puncture voltage (kv/min): 5, each roll is: 3/4″ wide x 60 ft. long. Individually packaged (10 pcs. minimum).