Free Express Shipping! Movcam FX9 Top Plate 1/4"-20 and 3/8"-16 Threaded Holes, 3/8"-16 Holes Have Anti-Rotation Divots, Integrated 15mm Rod Clamps, Captive Mouting Screws, Supports FX9 Viewfinder Cable Clamp, Sensor Plane Marking Pin Compatibility