This 3/8″ ID 2:1 heat shrink tubing is designed for reliable insulation, bundling, and wire identification in automotive, marine, and industrial applications. Its flexible single-wall construction shrinks to half its original diameter when heated, offering a secure fit for 1210 AWG wiring.

Specifications & Features

• Shrink Ratio: 2:1
• Pre-shrink Inner Diameter: 3/8″
• Recovered Inner Diameter: 0.187″
• Wire Compatibility: 1210 AWG
• Wall Type: Single wall, non-adhesive
• Flexible and flame-retardant tubing for general-purpose electrical insulation
• Available Colors: Black, Red, Blue, Yellow, Green, White, Clear
• Ideal for wire bundling, terminal protection, and color-coding in repair and assembly tasks