MCIGICM 328 pcs Heat Shrink Tubing Tube 2:1, Waterproof Electrical Wire Cable Wrap Assortment Kit for Car Amplifier (8 Sizes, 4 Color);

Package Contents:
120pcs * 1.0 * 40mm (Yellow, Black, Red, Green)
60pcs * 2.0 * 40mm (Yellow, Black, Red, Blue)
40pcs * 3.0 * 40mm (Yellow, Black, Red, Green)
32pcs * 4.0 * 40mm (Yellow, Black, Red, Blue)
24pcs * 6.0 * 40mm (Yellow, Black, Red, Green)
20pcs * 8.0 * 80mm (Yellow, Black, Red, Blue)
16pcs * 10.0 * 80mm (Yellow, Black, Red, Green)
16pcs * 14.0 * 80mm (Yellow, Black, Red, Blue)

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.

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: 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm.