Material:Made of Polyolefin, Shrinkage Ratio:2:1 (will shrink to 1/2 its supplied diameter)
Suitable for electrical insulation, wire bundling, colour coding, mechanical protection, wire/cable joints and daily repairs etc
Comes with 560pcs heat shrink tube assorted in plastic box, 5 colors( Yellow, Blue, Black, Green, Red), 12 Specifications , satisfied for your different need