Heat-shrink tubing

Electronics

Tubing that shrinks with heat to insulate and strain-relieve connections.

Approx. cost
$5–$18
Weight
~2 oz for an assortment
Used in
3 kits

Purpose

Insulate soldered joints and protect wire from strain and abrasion.

Used in kits

Alternatives

Maintenance notes

  • Keep an assortment of diameters so you have the right fit.

Buying considerations

  • Adhesive-lined tubing seals against moisture.
  • Slip it on before you solder — it can’t go on after.

Page history & editing

Revision status: approved Last edited 2026-07-01 by human editor