Upper Cage for FUJIFILM GFX100 IIUpper Cage for FUJIFILM GFX100 II is a form fitting cage with 1 4 20, 3 8 16 with ARRI accessory pins, and M4x20mm ARRI spaced threaded holes in several places. Included 15mm accessory rods provide threaded holes, a shoe mount, and special recess for the Audio Breakout AB 3 which is available as an add on, and converts the camera's two mini XLRs to two standard, full size XLRs. HDMI and USB protector clamps cables securely, and front lens support