What is this?Heat shield sleeve is widely used in motor vehicle engines, automotive wiring harness brake pipeline cable protection, cars, trucks, ships, all-terrain vehicles, motorcycles. Helps prevent vapor lock and keeps wires from meltingWhat will I get?Diameter: 20mm/0.8 InchLength: 5m/16 FeetTemperature Resistance: 500 Voltage: 0.6 KVColor: BlackMaterial: Basalt-Fiber TubeIn the package of: 1 x wire heat shieldAre there any advantages of the product?Heat-Wrap Fiberglass is primarily made of fiberglass, which reduces radiant heat. Wire insulation for automotive wiring helps prevent, protect spark plug wires from melting, protect sensitive wiring harnesses from close-range heat, protect brake lines and hoses, and prevent clutch cables from meltingHow to use it?Adjustable length, cut to fit each spark plug sleeve, wire lengthWhat should I notice?Automotive Hose Fuel Line Insulation Rolls reduce radiant heat and provide protection for fuel lines