Stackable Water Base

(1) - Large water base
(2) - Large Stackable water base
(3) - Small Water Base
(4) - Large Cross Base
(5) - Drive On Foot 
(6) - Square Heavy base
(7) - Concrete Base
(8) - Ground spike
(9) - Weighted Ring (addition to 4 & 6)

Diameter of spigot: 16.8mm