General description Sealey Heat Shrink Tubing is a versatile and durable solution for various electrical and DIY applications. This black heat shrink tubing features a shrink ratio of 2:1 when heated to 90°C, allowing for a snug fit around wires and connections. It is supplied on a convenient reel in a dispenser, making it easy to cut to size as required. Technical specifications Model No.: HST12708 Colour: Black Tube Length: 8m Nett Weight: 0.22kg Shrink Ratio: 2:1 Operating Temperature: 90°C Other information