Lanxri Extension Support For BlackMagic Micro Signal Converter HDMI To SDI 3G Product FeatureFit for BlackMagic micro signal converter HDMI to SDI 3GDistance of the bottom mounting screws: 20 ~ 44mm Mounts via the unthreaded holes with M3 screws Material: anodized aluminium alloy Product DescriptionThe extension support is designed for BlackMagic micro signal converter HDMI to SDI 3G. It is very formfitting to support the micro signal converter above the camera. It is integrated with a shoe mount adapter used to attach the camera. The whole setup is simple and pragmatic, and very easy to use. Net Weight: 29.5 g You Get:1 x Extension Support For BlackMagic Micro Signal Converter HDMI To SDI 3G4 x M3 Thread Screw Before you place an order, please provide me with English information to facilitate our delivery and logistics