The Clamp for arca standard is designed to quick remove the camera using an L bracket or plate for Arca-type fluid head to gimbals. The clamp attaches to the camera plate of gimbal via two 1/4”-20 screws in both vertical and horizontal direction. Featuring degree marks and M4 threads for DJI Ronin S/ Ronin SC Follow Focus Motor. You can also use it as a riser plate when using large diameter lens