Refills accommodate all Rod-N-Bobbs Beacon Holders, as well as 3" Lightstick Holders, Torchstick Holders and all Lucky Jack products. Comes in a resealable foil pack. Light up your bobbers and fish after dark. Virtually any bobber can be converted to low light fishing use.Extensivlyused by catfish fisherman at night. Never be caught in the dark again. A great way to fish at night. Always see your bobber at night.