The HDMI cable lock is especially designed for Niceyrig R5/R6 camera cage. It helps to keep the HDMI cable signal stable and prevents it falling off accidentally. Secure tightly via a 1/4’’-20 screw and locating pin.Compatibility: Only fits for Canon R5/R6 Niceyrig Cage 396What you get: 1 x HDMI cable lockProduct weight: 0.9 oz Material: aluminum alloy Process: sand blasting+black anodized, CNC