The SmallRig Extension Rig for Sony FX3 / FX3A XLR Handle extends the handle’s grip by 1.2-inches, and allows the addition of accessories via multiple 1/4"-20 and 3/8"-16 ARRI-style accessory threads, a shoe mount, and a NATO rail. Designed for use with the FX3 and FX3A, this unit installs onto the back of the handle using two included 1/4"-20 screws, and the NATO rail is removable.