Material: completely metal. (Gear part is of brass and steel,other part is of aluminum.
This Rail Base Plate has a Quick Release plate that enables the quick attached of the camera and easily slides into the adapter.
The plate comes with both 1/4" and 3/8" camera mounting screws. Hence the large variety of cameras can be used with this Rail System.
Follow Focus mounts onto industry standard 15mm rods (60mm center to center difference). With Adjustable locking systems, can be mounted from both side.(Works for both right-handed and left handed)
This set includes flexible gearbelt can be used with any zoom or prime lenses with a wide range of lens diameters(any size from 46 to 110mm)
Packages included: (1) 15mm Rod Follow focus FF ; (2)15mm Rod Base Plate with Quick Release plate