Save time assembling your drip irrigation system with the 1/4 in. Hole Punch Tool with Goof Plugs. The hand-held tool punches a hole in supply tubing for a fuss-free way to insert micro fittings for 1/4 in. tubing or drippers with 1/4 in. barbed inserts. To use, position the tool over tubing and press down with your palm. Tip: avoid punching through to the other side by pinching tubing to form an oval cross-section, creating distance so the hole punch penetrates only one wall. The hole puncher is designed for a comfortable grip, and the handle has a built-in socket for installing or removing micro spray jets. Includes 10 goof plugs to seal unnecessary openings. The tool is made of acrylonitrile butadiene styrene (ABS) and goof plugs are made of polypropylene (PP), all treated with UV inhibitors.