This 7.0mm Punch is used to punch holes in your poly tubing for any 400 Barb fittings. The 400 barbs are compatible in our 3/4″ or larger poly tubing.
To use this punch:
- Place tubing on ground or stable surface (do not hold in hand).
- Place punch cutting edge against tubing and push – careful twisting may be required to cut through tubing.
- After hole is punched, press the spring loaded ejector lever to clear debris from punch tip opening.
- Punch next hole.