uxcell 480Pcs 3mm/3.5mm/4mm 2:1 Heat Shrink Tube Sleeving Wrap Wire 3 Sizes Country of Manufacture: CHINA; Material: Polyolefin; Net Weight: 75g Package Content: 480pcs(+/-2%) x Heat Shrink Tube; Main Color: Red,Yellow; Rated Voltage: 600V Complete Shrink Temperature: 110 Celsius Degree; Temperature Range: -55-125 Celsius Degree; Lateral Shrinkage: &gt;=50% Longitudinal Shrinkage: &lt;=8%; Temperature Level: 125 Celsius Degree; Shrink Ratio: 2:1 Total Length(each): 35mm/40mm; Diameter: 3mm/3.5mm/4mm