Rain Bird TP25 Drip Irrigation Tubing "Goof" Plug, 10-Pack. Also known as a “goof plugâ€, seals unwanted holes in all brands of 1/2" or larger Drip irrigation tubing. Also use to terminate runs of 1/4†Drip tubing. Easy to insert by hand or use Rain Bird ET/1PK25S Tool (sold separately) for a quick, easy installation. Constructed of highly durable UV and chemical-resistant materials to assure long life. Rain Bird “The Intelligent Use of Water†Drip Irrigation tubing Goof Plugs 10 Pack These are non-threaded goof plugs. Size is 1/4 in. Plugs unwanted holes in all sizes of 1/2" Drip tubing Terminates 1/4" tubing runs Help you maintain your sprinkler and irrigation system Constructed of highly durable UV and chemical-resistant materials to assure long life Designed to work with Rain Bird ET/1PK25S Emitter Tool (sold separately) Black color Total Satisfaction Policy