Black Preflattened Polyolefin Heat Shrink Tubing — 3/8" (3:1 Shrink Ratio)

Preflattened black polyolefin heat shrink tubing, nominal 3/8" diameter with a 3:1 shrink ratio. The preflattened profile speeds installation and routing over connectors and wires, while the polyolefin material provides dependable electrical insulation and mechanical protection. Ideal for wire bundling, strain relief, and general insulation tasks where a compact, low-profile finish is required. Shrinks to approximately one-third of its original diameter when heated.