Punches

Punches

These tools are used for making a precise hole in mainline tubing to install emitters or transfer barbs. When using a manual punch, squeeze the sides of the tubing with your hand and push on the punch while giving a slight twist. You will usually hear a pop. Because heat will soften the tubing, it is easier to punch holes at cooler times of the day, or by running cold water through the tubing first.