The formfitting Camera Cage from SmallRig protects and offers accessory mounting for your Sony a9 III camera. The durable aluminum cage maintains open access to the camera?s controls and features a variety of mounting options. It features multiple 1/4?-20 threads and ARRI-style 3/8?-16 anti-twist mounts for attaching accessories. There are multiple 1/4?-20 and 3/8?-16 tripod mounting threads on the bottom to add an optional quick release plate or mount onto a tripod. The camera mounts onto the cage using a 1/4?-20 screw, and there?s a side lock and rubber padding on the base also helps prevent twisting and scratching. An integrated strap slot allows you to add an optional wrist or shoulder strap, and there is also a QD (Quick Detach) port. A screwdriver is included to secure the screws, and it stores in the base of the cage. Camera Compatibility Sony a9 III cameras Accessory Compatibility Compatible with but not limited to: SmallRig Top Handle 2165C SmallRig Side Handle 4016 SmallRig Monitor Support 2903B SmallRig Arca-Type Plate 3154 SmallRig Hand Strap 3848 SmallRig Shoulder Strap PSC2428