Make your drip system installation quick, easy, and stress-free with the Hole Punch Tool with Pistol Grip. The hole puncher features a solid metal tip to pierce .50 in., 5/8 in., and 0.710 in. supply tubing for insertion of .25 in. fittings and drippers. Saves time when you build, expand, or repair your drip system simply position tubing in the adjustable holder (which has a sliding shelf to accommodate larger-sized tubing) and press the handgrip down to punch the hole. Comfortable pistol grip makes hole punching easier on the hands; a sure-fire solution for reliable, repetitive punching. The Pistol Grip Hole Punch Tool is made of polypropylene (PP) treated with UV inhibitors.