Elevate your tripod fluid head's functionality with the ARRI 3/8"-16 Accessory Mounting Block & Bracket from Miller. This versatile accessory is designed for ArtX, CX, and Compass heads and comes complete with the included bracket assembly (#12715). Attach it effortlessly to either side of your fluid head, providing the capacity to mount up to 6.6 lb of accessories. The block includes one ARRI anti-twist 3/8"-16 thread, one 3/8"-16 thread, and one 1/4"-20 thread, making it an ideal solution for mounting viewfinders, EVF support brackets, monitors, lights, and more.