This black vinyl electrical tape set includes ten heavy duty rolls rated for up to 600 volts, providing reliable insulation for spliced wires and frayed cords. Each roll measures 0.7 inch wide and 30 feet long, offering ample coverage for automotive wiring, RV setups, home circuit repairs, and outdoor installations. The tape is flame retardant, self-extinguishing, and engineered to withstand heat, freezing temperatures, UV exposure, moisture, oil, acids, and corrosive chemicals. Highly flexible and stretchable, it conforms smoothly to uneven surfaces, curves, and tight corners for a professional-looking wrap on a wide variety of electrical projects.