
QUARTS J HOOK 18mm FEMALE. IF YOU LIKE TO BUILD OR MAKE YOUR OWN CUSTOM HAND PIPES THEN A J HOOK MAY BE FOR YOU. YOU CAN ADD AN ASH CATCHER TO THESE AND A GLASS ON GLASS BOWL AND NOW YOU HAVE A HAND PIPE WITH A BUILT IN WATER BUBBLER. THESE VARY IN LENGTH FROM 6 TO 8 INCHES.