Extend the grip on your Sony FX3 or FX30 XLR handle and add accessories using this Extension Mount Plate Kit from SmallRig. The durable aluminum extension mounts onto the end of the FX3/FX30 XLR handle unit to provide multiple 1/4"-20 and 3/8"-16 ARRI-style accessory threads, a shoe mount, and a removable NATO rail. The rig installs onto the back of the handle using two included M4 screws.