The new Tilta Hydra Alien Ball Head Risers are a desirable addition to the popular Hydra Alien Car Mounting rig. It makes it possible to use the Hydra Alien with standard tripod heads. The Hydra Alien Ball Head Risers are available in different heights and tripod head diameters.
Heights: 100, 150 and 200mm
Tripod head diameters: 75 and 100mm
More information and you can order here .