This punching knife is for punching dripper and other materials into PE hose. The punching knife is used to make a hole after which the dropper can be pushed in.

This is easy to do: Your put the punching knife straight onto the hose. You put pressure on the knife and lightly turn the knife and a hole is created. You pull the knife out and use the mechanism on the side to push the piece of PE out of the knife.

Available in various diameters.

Easy to use
Quickly and easily punch many punch holes in a short time
No tired forearm and wrist
Good constant feed
Beautiful round punch holes