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

1" polyolefin heat-shrink tubing with a 3:1 shrink ratio, supplied on a 100 feet spool in black. The 3:1 ratio means the tubing will shrink to approximately one-third of its original diameter, making it useful for insulating and protecting wires, splices, and terminals. Packaged on a 100 ft spool for multiple projects or repairs.