The Bohning Ferr-L-Tite Cool Flex Hot Melt Stick is made to extend the life of your arrows with its super strong adhesive qualities. Durable, low melt temperature is easy to apply. Simply set-up in cold water for instant full strength. Ferr-L-Tite Cool Flex allows you to easily reverse or tune with heat. Specially formulated for carbon arrows. Comes in 12 gram stick.