The EVA1 Top Plate has a built in Z-Rail perfect for adding the Zacuto Top Handle or Recoil Handle. Or if desired, you can reattach your Panasonic camera Handle to the plate. The top plate has a multitude of ¼ 20 and ⅜ 16 screw holes for mounting various accessories. At the back of the plate is a 15mm rod port for a Zamerican arm or other 15mm accessory- perfect for relocating the Panasonic LCD on an articulating arm. If you need to attach top rods to your rig, you can add 15mm Z-Locks to the top plate for top rods.
If you opt to use camera handle, and need to mount an Axis for a Gratical EVF, you can mount the Z-Rail Axis mount to the front of your top plate and it will give you a 15mm quick release rod port to mount the Axis Mini, EVF Mount.
For more information click here