precise hole in mainline tubing quickly and easily with this Dripper Punch Pin. This punch pin is designed to punch holes on any size drip tubing for the insertion of micro sprinklers and drip emitters. It creates an accurate and right sized hole in the drip tubing. In addition to this, it also removes the residual debris formed in the hole of the drip tubing. These are widely used tools for the layout and installation of drip irrigation system. Professional quality drip hose made by high quality, UV resistant materials.