127 Piece Black Heat Shrink Tubing Kit Assorted Wire Wrap Electrical Connection Cable for Shrinking and Sealing Connectors

• Specification:
• Material: Irradiation cross-linked polyolefin
• Shrinkage Ratio: 2:1 ( will maximum shrink to 1 / 2 of its supplied diameter )
• Minimum Shrinkage Temp: +70°C 
• Full Shrinkage Temp: +110°C maximum 
• Operating Temperature: -55°C to + 125°C 
• Item Shape: Round/Flat
• Supplied internal diameter: 2.0mm, 2.5mm, 3.5mm, 5.0 mm, 7.0 mm, 10.0mm, 13 mm
• Fully shrunk internal diameter: 1.0mm, 1.25mm,1.75mm, 2.5mm, 3.5mm, 5mm, 6.5mm

How to use?

1. Select the proper size.
2. Insert the wires to the heat shrink tubing.
3. Use the heat gun or lighter to shrink the tube.
4. Don’t touch the tube until it is cool completely.
Note: Keep about 1/2 inch distance when using the lighter to shrink the tube, or it may leave a black mark on the tube.