The Shape BP8000 V-Lock Quick-Release Baseplate should be used with cameras with external viewfinders. It is designed for ARRI standard cameras with ARRI rosette sockets. It is compatible with all 15mm rod systems and optional 15mm studio or 19mm brackets. It features length-adjustable rods using red ratchet knobs on Rod Bloc and Height-adjustable Sliding Rod Bloc using black knob. Shape BP8000 is made of solid anodized aluminum. It has removable Velcro shoulder pad.