Heat shrink Material environmental protection: heat shrink tubing is made of polyolefin which ensures the heat shrink wrap 4:1 retraction ratio shrink wrap Easy to Use & Shrink: This heat shrink cable sleeve is very easy to use and shrink, just wrap your target wire and shrink heatshrink Widely Application: With the compact design and wear-resistant function, the heat shrink connector can be used in many place.Such as broken wires, electrical insulation, mechanical protection, wire bandwidth, wire connection, wire ends process, wire / cable junctions, daily repairs,etc. shrinks tubes Size: 6mmX1.22meter , 4mmX1.22meter , 8mmX1.22meter , 12mmX1.22meter , 16mmX1.22meter , 18mmX1.22meter , 20mmX1.22meter , 24mmX1.22meter , 32mmX1.22meter , 36mmX1.22meter , 40mmX1.22meter , 52mmX1.22meter shrink tube Package Includes: 1pcs×Heat Shrink Tubing