Product DescriptionDuck Brand 393120 Heavy Duty Electrical Tape, 0. 75-Inch x 66-Feet, Single Wrapped Roll, BlackFrom the ManufacturerDuck brand Pro Series electrical tape is UL and CSA approved with excellent stretch, adhesion, and conformability properties for both indoor and outdoor applications. The 8.5 -mil black vinyl tape performs well up to 600 volts and temperatures between 0 and 176 degrees Fahrenheit. The tape resists abrasion, moisture, solvents and is flame retardant. It is designed for both home and professional electrical and splicing applications. 3/4-inch by 66-foot roll.