Heat Shrink Tube, 2:1 and 3:1 heat shrink ratio ...
50% hear shrink ratio in Red, Blue, Yellow, Green, White, Black makes the heat shrink tube can suitable for a wide usage 3:1 Ratio Heat Shrink Tube 3:1 heat shrink ratio heat shrink tube in black color with glue inside the tube, provide more greater connection for your wires and appliance.
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