Black Polyolefin Heat-Shrink Tubing — 3/16" Dia, 3:1 Shrink Ratio, 500 ft Spool

Black polyolefin heat-shrink tubing sized at 3/16" with a 3:1 shrink ratio, supplied on a 500-foot spool. Ideal for insulating, bundling and providing strain relief to wiring and small assemblies; it reduces to one-third of its original diameter when heated. Flexible and easy to cut to length, this tubing is commonly applied with a standard heat gun or torch for reliable protection and neat finishes.