About this item [PARAMETER] Material: Alkali-free Fiberglass, Silicone Resin; Length: 10 Meter / 33 Feet; Inner Diameter: 4mm; Working Temp Range: 60~+200; Working Voltage: 1200V; Flame Resistance: VW-1. [FEATURE] This heat sleeve fiberglass is designed for high-temperature applications and helps keep wires neat and organized. [MADE] This product is constructed from alkali-free fiberglass and coated with a small amount of silicone resin, then processed under high temperature. [APPLICATION] The heat shield tubing is primarily used to insulate and heat equipment, such as motors, engines, plug wires, fuel lines, and decorative lights. Size: 6.5 x 3.23 x 2.44 inches.