It is designed with a base plate, a sliding rail block, two 18cm rods and three aluminum ally screws.
The 1/4" screw on the top part of the baseplate fits for installing the DSLR. The 1/4" or 3/8" screws mounting hole on the bottom of the baseplate fits for fixing the tripod.
Two standard 15mm rods are suitable for installing follow focus, matte box or other accessories for camera. The 3 durable metal screws on the rail system can adjust the horizontal and vertical position of camera and accessories flexibly.
Rod length: approx.180mm/7.1". Rod diameter: approx.15mm/0.6".
Suitable for DSLR, Follow Focus, Matte Box or Tripod.