Heat Shrink Tubes, Dual Wall Heat Shrink Tubing 3:1
1. First choose the right size tubes, as it is 3:1 heat shrink ratio, it will shrink up to 1/3 of original diameter. 2. Insert the wires to the heat shrink tubing, then use a lighter heating if the tube is small or hair dryer, heat guns heating for large one until the wire was wrapped tightly. 3. …
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