Silicone cord with 7 copper core cables for superior conductivity. Pure silicone rubber and super glass fiber insulation prevents leakage. Product Specifications: Made with excellent high pressure, weather resistance, and water resistance. Can withstand high temperatures from 396°F to 488°F (180°C to 220°C). Diameter: 0.3 inches (7 mm); Length: 3.3 ft (1