Check the listing for details. Bohning Ferr-L-Tite Cool Flex. Condition: New. Listed at 11.41 USD. Bohning Ferr-L-Tite Cool Flex Low-temp hot melt for carbon shafts! Instant full strength set-up in cold water! The newest addition to the Bohning insert adhesive line. A super strong, low melt temp. adhesive specifically formulated for carbon arrows. Easy to apply. Heat reversible. 12 gram stick will do approximately 144 inserts. WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.