This 1″ ID 2:1 heat shrink tubing offers durable, flexible insulation for bundling and sealing 2/0 to 4/0 AWG wire connections in heavy-duty automotive, marine, and industrial applications. It shrinks to half its original diameter when heated, delivering a secure fit for large-gauge cables.

Specifications & Features

• Shrink Ratio: 2:1
• Pre-shrink Inner Diameter: 1″
• Recovered Inner Diameter: 0.500″
• Wire Compatibility: 2/04/0 AWG
• Wall Type: Single wall, non-adhesive
• Flexible and flame-retardant tubing for high-current electrical applications
• Available Colors: Black, Red, Blue, Yellow, Green, White, Clear
• Commonly used for battery cables, power leads, and heavy-duty harnesses