Shrink Ratio: 2:1. 2:1 Heat Shrink Tube without Adhesive. 5: Pls use a lighter or a heat gun to heat shrink. 2: There are no glue/adhesive inside for all 2:1 heat shrink tubes. Colour: Purple. 3: Ø0.6mm - Ø6mm are round tube; Ø≥7mm are flat tube.
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