Shop for Outdoors at The Home Depot. Commonly referred to as goof plugs, the Toro Blue Stripe Drip Tubing Plugs (12-Pack) are great for relocating emitters and for when a hole gets punched in the wrong place in a hose. These plugs also provide the ability to close off old emitter holes that are no longer needed. Easy to use and economical, these plugs extend the useful life of your 1/2 in. drip tubing. Color: Blacks.