The Foba ALFEA Combination Geared Lateral Side Arm & Center Column fits directly into the crown of the Foba AFLAE tripod to act as a geared center column, or can be attached to the AFLAE and any other robust set of tripod legs with a 3/8"-16 screw to act as a lateral arm. There is nothing to unlock or lock in use, and it won't matter if you've got a heavy camera attached-geared motion is extremely precise and secure.
Tripod legs socket and head screw are both 3/8"-16
Geared movement with practically zero backlash, even with heavy cameras
Able to be both lateral arm or center column upon Foba ALFAE tripod
Made in Switzerland and intended for a lifetime of regular use