1/2 Inch Heat Shrink Tubing - Adhesive Lined Dual Wall (3:1)

Adhesive lined dual wall (mastic) heat shrink tubing shrinks to 1/3 of its original diameter when heated (creating a moisture proof, airtight, flexible seal)

• Dual wall polyolefin, 1 foot tubes.
• You are ordering in 12 inch (304 mm) lengths

This is 3 to 1 heat shrink tubing, meaning it will shrink from its original diameter to 1/3 the size. 

Each of our welding cables has the millimeter (mm) size listed in the description. You will use the mm size with sheathing jacket for the appropriate heat shrink size.

Watch our tutorial below on how to make your own professional quality cables.