Hi Temp Reflecta Race Sleeve with Hook & Loop, aluminum reflective shield with fibreglass inner is perfect for protecting lines and hoses in a hot engine bay such as Fuel Lines, Brake Lines, Vacuum Hoses, Wiring etc that is difficult to remove or thread through normal sleeving. Reflecta Race Sleeve Hook&Loop can withstand temps up to 650°C. The silver foil finish reflects 95% of radiant heat and the inner fibreglass provides additional insulation to the cable, hose or wiring inside.