CA121 pipe clamp made with aluminum material. It is designed with a pull-out screw for quick release of the clamp. The metal knob is used to adjust the size of the diameter to make it fit for the pipes sized 20-35mm. It can mount the monitor and LED lights on the end via 1/4" and 3/8" screw. Two V-type mounts are designed to load V-mount equipments like battery.
