Colorful Heat Shrink Tube Kit – 127 & 328-Piece Polyolefin Assortment

Keep your wires, cables, and DIY projects neat, protected, and colour-coded with this comprehensive 2:1 heat shrink tube kit. Whether you're repairing a data cable, wrapping automotive wiring, or finishing a home craft project, these polyolefin tubes shrink cleanly and uniformly to create a secure, moisture-resistant sleeve around any conductor or connector.

Why You'll Love This Kit

Two Kit Sizes Available: Choose the 127-piece or the 328-piece assortment — both include multiple diameters and a full rainbow of colours for every job.
2:1 Shrink Ratio: Each tube shrinks to half its original diameter when heated, creating a snug, professional-grade fit on wires, connectors, and terminals.
Premium Polyolefin Material: Flexible yet durable; resists moisture, abrasion, and UV exposure — ideal for both indoor and outdoor applications.
Colour-Coded Organisation: Multiple vibrant colours let you easily identify circuits, phases, or cable groups at a glance — a must for automotive, electronics, and hobbyist wiring.
Wide Range of Diameters: The assorted sizes cover thin data cables all the way up to heavier-gauge automotive or power wiring.
Versatile Use Cases: Perfect for car wiring harnesses, motorcycle cable repair, USB/data cable sleeves, home electrical DIY, handcraft projects, model building, and more.
Easy to Apply: Simply slide the tube over your wire or connector and apply gentle heat with a heat gun or lighter — no special tools required.

Kit Specifications

Shrink Ratio	2:1
Material	Polyolefin
Piece Count	127-piece or 328-piece (selectable)
Colours	Multiple vibrant colours included
Sizes Included	Assorted diameters (varies by kit)
Application	Heat gun or standard lighter
Country of Origin	Made in China

Great Pairings from Our Store

Complete your wiring toolkit with these related products:

Safety & Standards

For guidance on electrical safety and best practices for wiring projects, visit the OSHA Electrical Safety resource page. Proper wire insulation and cable management are key to safe DIY electrical work.

Frequently Asked Questions

Q: What is the difference between the 127-piece and 328-piece heat shrink tube kits?

A: The 127-piece kit is a compact starter assortment ideal for occasional repairs and light DIY projects, while the 328-piece kit offers a larger quantity and broader size range — perfect for workshop use, automotive wiring, or anyone who regularly works with cables and connectors.

Q: What tool do I need to shrink these polyolefin tubes?

A: These 2:1 polyolefin heat shrink tubes can be activated with a standard heat gun for best results. A lighter or match can also work for small, quick applications. Avoid direct flame contact to prevent scorching.

Q: Are these heat shrink tubes suitable for outdoor or automotive use?

A: Yes. The polyolefin material offers good resistance to moisture, mild abrasion, and UV exposure, making these tubes well-suited for automotive wiring harnesses, motorcycle cable repairs, and general outdoor DIY projects.

Q: What sizes are included in the assortment?

A: Both kits include a range of diameters to cover thin data cables through to heavier wire gauges. The exact size breakdown is indicated on the product packaging, ensuring you have the right tube for a wide variety of wiring tasks.