Heat Shrink Tube Descriptions: Name: 127Pcs Black Heat Shrink Tube Quantity: 30pcs x φ2.0 x 40mm 25pcs x φ2.5 x 40mm 20pcs x φ3.5 x 40mm 20pcs x φ5.0 x 40mm 16pcs x φ7.0 x 40mm 8pcs x φ10.0 x 80mm 8pcs x φ13.0 x 80mm Material: Polyolefin Color: Black Operating Temperature: -55°C to +125°C Minimum Shrinkage Temp: +70°C Full Shrinkage Temp: +110°C Maximum Shrinkage Ratio: 2:1 (will maximum shrink to 1/2 its supplied diameter) Features: 1. Strong shrinkage, can be better to protect wires. 2. Easy to use, don't need any complex instrument. 3. 7 inner diameters: 2.0mm, 2.5mm, 3.5mm, 5.0mm, 7.0mm, 10mm, 13mm. 4. CE certification. Package contents: 1 * Heat Shrink Tube Set