PUNCH SPANNER - 4MM HOLES | TO PUNCTURE SOFT POLY HOSE | HYDROPONIC PLUMBING BITS
The yellow hole punch and spanner is used for installing small irrigation systems.
When using this it makes it easy to punch holes in header hose to attach feeder lines, emitters or sprayers.
The vertical part is a hexagonal shape for going over micro irrigation joiners and sprayers to screw them into the header tubing
Used to puncture holes in soft poly tubing. r to connect 4mm barbed and threaded joiners to poly tube.
Punch Spanner is used a to pierce 13 mm poly tube to insert drippers or 4mm barbed off-takes.