Fire Sleeve is ideal for protecting against high under bonnet temperatures which makes it perfect for use on hoses, wiring, oil and fuel lines. The Sleeve is made from woven insulated glass fiber braided sleeve that is heavily coated with 100% iron oxide silicone rubber. The Sleeve can withstand up to 1650°C ambient heat and 560°C of direct continuous heat which makes it perfect for insulating wires, oil and fuel lines from under bonnet heat.