[PARAMETER] Material: Alkali-free Fiberglass, Silicone Resin; Length: 9 Meter / 29.5 Feet; Inner Diameter: 1.5mm; Working Temp Range: 60+200; Working Voltage: 1200V; Flame Resistance: VW-1. [FEATURE] This heat sleeve fiberglass are for high temperature applications, also, it keeps wire neat and organized. [MADE] This product is made of alkali-free fiberglass yarn braided into pipes and then bonded with a Silicone resin after high temperature dewaxing and fixed grain impregnation. [APPLICATION] The heat shield tubing is mainly applied to insulate and heat equipment, such as motor, engine, plug wire, fuel lines, decorative light, etc. [NOTE] Electrical wires should never be hot. Should increase the gauge of wire if you are exceeding the recommended load of that wire. This product would make the wire get hotter by not letting it cool and might melt the insulation on said wire.