Want what the pros use for your electrical job? Black Duck Brand Professional Electrical Tape is ideal for most contractor electrical work & DIY applications requiring extreme endurance & resistance against cuts & scratches, even under severely cold temperatures. Hi-stretch means this professional-grade tape provides good protection-even around thin wires-plus its high-performance adhesive keeps working in a wide range of temperatures. Whether you're repairing, installing, splicing, or bundling wires & other tools & materials, this tape stands up to the demands of your next electrical project. Grade: Heavy-Duty; Core Size: 1"; Dispenser Included: No; Adhesive Material: Natural Rubber.