[Better protection]: double wall heat shrink tube and lined with glue can better act on the wrapped objects. | [A wide range of applications] Shrink tube are mainly used for industrial, ship, wire links, anti-rust and anti-corrosion protection of solder joints, and audio and electrical DIY. Wire ends, harnesses, electronics protection and insulation treatment, fitness equipment parts and steel structure surface protection and so on. | [The rubber liner has good sealing performance] XHF heat-shrinkable tube has the advantages of good electrical insulation, good sealing, corrosion resistance and high temperature resistance. Anti-aging, tough, not easy to break. | [Note] The size of the advertisement description is the size before shrinking, and it is the diameter of the heat shrinkable tube in a circular state. | [Multiple Size Colors] We have three different colors: black, red and clear. There are 13 sizes: 12.7mm (13mm), 15mm, 19.1mm (19mm), 25.4mm, (25mm), 30mm, 39mm (40mm), 50mm.