uxcell Electrical Cable Sleeve Heat Shrink Tubing 50mm Length 100Pcs Black Country of Manufacture: CHINA; Material: Polyolefin; Net Weight: 38g Package Content: 100(+/-2%) x Heat Shrink Tubing; Model: E321827; Main Color: Black Shrink Ratio: 2:1; Before Shrinking Diameter: 6mm/0.24" After Shrinking Diameter: 3mm/0.12"; Flammability: VW-1 Total Length: 50mm/2"; Temperature Level: 125 Celsius Degree