3/8" ID Heat Shrink Tubing - 2:1 Ratio - 12" Length - 10 Pack

This 3/8" ID 2:1 heat shrink tubing is ideal for insulating, sealing, and bundling 12–10 AWG wires in automotive, marine, and general-purpose electrical applications. Designed with a flexible, flame-retardant single wall, it shrinks to half its original diameter when heated, ensuring a tight and reliable fit over terminals and conductors.

Specifications & Features

• Shrink Ratio: 2:1
• Pre-shrink Inner Diameter: 3/8"
• Recovered Inner Diameter: 0.187"
• Length: 12" segments
• Wire Compatibility: 12–10 AWG
• Wall Type: Single wall, non-adhesive
• Flexible and flame-retardant tubing for electrical insulation and wire management
• Available Colors: Black, Red, Blue, Yellow, Green, White, Clear
• Recommended for automotive wiring, marine systems, and low-voltage electronics