Key Cage Features: Modular Design: Each plate can be mounted independently of the rest. Top Plate: Dual NATO Rails, Bubble Level, 1/4"-20 and ARRI 3/8"-16 Threads, Dual Cold Shoes, Magnetic Tool, Relocated Sensor Plane Marker, Compatible with Original Canon Top Handle and Mic Mount Side Plate: 1/4"-20 and ARRI 3/8"-16 Threads, Comfortable Grip, Compatible with Canon Grip Strap Bottom Plate: Helicoil Steel Threads, Magnetic Tool, Side Wings with 1/4"-20 Threads, HDMI Protection, Front M4 Threads for our Lens Support. Compatible with our Bridge Plate for a Perfect 85MM Height from the Rods. Top Handle Features: Start/Stop Record Button. Supports both Sony LANC and Panasonic Protocols Providing Compatibility for Most Cameras such as Z Cam, Blackmagic, Fuji, Sony, Canon, Panasonic, JVC etc. Five 3/8" Threaded Holes with ARRI Locator Pins for Antitwist Accessories such as our Mini Quick Release Plates Over Eighteen 1/4" Hole Options for Mounting Accessories 15mm Side Rod Support for EVF or Monitors Cold Shoe Mounts on Each End of the Handle Mounted via Nato Rail and can also Slide on to Both Left and Right Sides of Cage Comfortable and Ergonomic Grip Design Weight: 15oz