Polyolefin Heat Shrink Tubing, 3:1 Shrink Ratio — Blue, 1/2" & 1-1/2" (50 feet/spool)

Blue polyolefin heat shrink tubing with a 3:1 shrink ratio, supplied on a 50 feet/spool. Sizes listed: 1/2" and 1-1/2". This tubing provides reliable electrical insulation, abrasion resistance and strain relief for wire splices, terminations and cable bundling. It shrinks uniformly when heated to form a tight protective sleeve and is ideal for general-purpose wiring protection, color-coding and moisture resistance. Packaged on a convenient spool for controlled dispensing.