EXERTIS CONNECT 170-Piece Heat Shrink Tubing Set, 2:1 Ratio, Assorted Colours and Sizes, 100 mm Lengths, Polyolefin, Electrical Insulation and Wire Bundling (629211)

Damaged insulation, frayed wires, and messy cable bundles can lead to short circuits, unreliable connections, and unsafe electrical work. This 170-piece heat shrink tubing set from EXERTIS CONNECT provides a practical, all-in-one solution for insulating, protecting, and organising wires in electronics, automotive, and DIY projects. With seven pre-cut diameters and five distinct colours, you can quickly identify circuits while achieving a professional, durable finish.

Who is it for

Ideal for electricians, technicians, hobbyists, and anyone working with low-voltage wiring. Whether repairing a vehicle harness, building a custom PC, or labelling home theatre cables, this assortment covers most common wire gauges and colour-coding needs. The compact storage box keeps everything organised and ready for use.

Main features

• 170 pieces in seven diameters: 2.0, 2.5, 3.5, 5.0, 7.0, 10.0, and 13.0 mm (pre-shrink).
• Five colours for easy identification: black, red, yellow, blue, and green.
• 2:1 shrink ratio ensures a tight, secure fit over connectors and splices.
• Polyolefin material offers excellent electrical insulation and mechanical protection.
• Each tube is 100 mm long, suitable for most repair and bundling tasks.
• RoHS compliant and flame retardant to VW-1 standard.

Specifications

• Material: Polyolefin
• Shrink ratio: 2:1
• Operating temperature: -55°C to +125°C
• Minimum shrink temperature: +70°C
• Full shrink temperature: +110°C
• Dielectric strength: 15 kV/mm
• Flammability rating: VW-1
• Colours included: black, red, yellow, blue, green
• Length per tube: 100 mm
• Diameter assortment (pre-shrink): 2.0 mm (30 pcs, black), 2.5 mm (30 pcs, red), 3.5 mm (30 pcs, blue), 5.0 mm (20 pcs, green), 7.0 mm (20 pcs, yellow), 10.0 mm (20 pcs, black), 13.0 mm (20 pcs, red)
• Environmental compliance: RoHS

Tips

Use a heat gun or lighter to apply heat evenly, moving along the tube until it conforms tightly to the wire. For best results, select a tube diameter no more than twice the wire diameter. Store the set in its box away from direct sunlight to prolong shelf life.