Heat Shrink Tubing Kit, Preciva 410pcs Cable Insulated Sleeving Tubes, Shrink Ratio 3:1, Electric Insulation Heat Shrink Wrap Cable Sleeve, Waterproof Heat Shrink Sleeves, 7 Sizes, 2Colors. Better Shrink Ratio Preciva heat shrink tubing has updated to 3:1 shrink ratio.
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