BuyHeatShrink 3" Polyolefin Heat Shrink Tubing — 2:1 Shrink Ratio, 100 ft Spool (Black)

BuyHeatShrink 3" polyolefin heat shrink tubing on a 100-foot spool, color: Black. This tubing has a 2:1 shrink ratio, reducing to half its original diameter for a snug, protective fit around wires and cable joints. Ideal for insulating, bundling and providing abrasion and moisture protection in electrical, automotive, marine and general-purpose wiring applications. Applies quickly with a heat source to create a long-lasting, secure covering.