Basic Cage Kit for BMCC 6K: SmallRig 4574 comprises a cage, a lens mount adapter support, a top handle for ARRI-style, an SSD mount bracket, and a clamp for HDMI/USB-C cable. Please note: The cage is exclusively designed for BMCC 6K, NOT for BMPCC 6K or 6K Pro. | Full Cage to Half Cage Convertible: SmallRig 4574 is designed to provide creators with a comfortable low-angle shooting experience, protect the camera, and offer multiple accessory expansion options. This included full cage designed specifically for Blackmagic Design Cinema 6K can be transform from full cage to half cage for enhanced versatility, making it easier to balance when used with a stabilizer. | Three-Point Locking System: Three-point locking system secures the camera via two 1/4"-20 screws at the base and a 1/4"-20 screw on the top, while integrated silicone pads prevent scratching. The cage provides unobstructed access to all camera interfaces, card slots, the flip screen, and the battery compartment. | Versatile Mounting Options: Constructed from protective aluminum alloy, this cage features 1/4"-20 threaded holes, 3/8"-16 threaded holes, locating holes for ARRI, cold shoe mounts, NATO rail, QD mounts, the kit accommodates SmallRig accessories such as Monitor Mount 2903, Side Handle 4015, NATO Side Handle 3847, Baseplate 3357, LED Video Light 3286, Microphone 3468, Rod Clamps and more. | Top Handle, SSD Mount Bracket: The ergonomic top handle for ARRI-type offers creators a comfortable low-angle shooting experience, facilitating camera operation. Additionally, the included SSD mount bracket with a built-in cold shoe mount allows for quick assembly and disassembly, compatible for Samsung T5/T7 SSDs. | Secure Lens Mount Protection & Signal Transmission: The lens adapter support is compatible for Sigma MC-31, for Sigma MC-21, and similar adapters, safeguarding the camera mount from damage. The kit also includes a clamp for HDMI & USB-C cable to protect the camera ports and prevent signal loss during transmission.