DIG Goof Plugs (20-Pack) feature 2 sides per plug to accommodate different hole sizes in poly tubing caused from moving drippers or plants. The goof plug has a small and a large end to plug the end of 1/4" line or to plug a small hole in 1/2 in., 3/4 in. or 1 in. poly line. Goof plugs are also used with 1/4 in. micro tubing and drip-line to close the end an individual line.