BuyHeatShrink 4" Polyolefin Heat Shrink Tubing — 2:1 Shrink Ratio, 100 ft Spool (Yellow)

BuyHeatShrink yellow polyolefin heat shrink tubing — 4" size with a 2:1 shrink ratio, supplied on a 100 feet spool. This tubing halves its original diameter when heated, creating a tight, protective covering for wires and assemblies. Ideal for insulation, color-coding, cable bundling and general electrical repairs. Supplied in a full 100 ft spool for continuous runs and easy inventory management.