Item Type: Half Camera Cage Material: Aluminium Alloy Interface: Cold shoe interface, 1/4in screw hole, 3/8in screw hole, 38mm for ARCA-SWSS mount Fitment: For Sony A1 Camera Package List 1 x Camera Cage 1 x Round Flat Wrench(Installed) 1 x Hex Wrench 1Screw Hole: Camera cage with 1/4 inch and 3/8 inch screw holes, can expand to install other equipment. 2Multifunction: Camera protective cage with cold shoe port on the top, which can installed with microphone, monitor, fill light, etc. 3Excellent Material: Half camera cage made of high quality aluminum alloy material, CNC processing, which can be used for a long time. 4Light Weight: All around multihole designed, to minimize the weight of the cage, reducing physical consumption. 5Prevent Scratching: Camera cage bottom with non slip gasket to prevent scratches, suitable for Sony A1 cameras.