Quick Install and Remove:No screws needed, FALCAM F22 Double End Quick Release Plate-F22A4408 is designed for quick installation and removal. Shoulder Strapholes Reserved: Shoulder strap holes are reserved on the bottom and side plate to meet the need for multi-mode shoulder strap connection and keep the lens straight down. (Note: When installing the side plate, fix the positioning column first and then fix the side two screws. Compatible with Sony a7RV (A7R5)/A1/a7 IV (A7m4) Full Surround DesignTwo-Point Fixation: The embracing bottom plate is firmly surrounded and the two-point fixation does not shake. Falcam F22 Quick Release Clamp - SYSTEC Ulanzi 2531 FALCAM F22 Thread Adapter Kit Sale - Banggood New Zealand Mobile-arr Sold for $29 | Retail: $69.95 | FALCAM F22 Dual Quick Release Articulating Magic Arm Kit, Camera Mounting Adapter w/Double Ballheads, Aluminum Camera Accessory Kit for Filmmaker&Photographer, Fits for Sony Canon DSLR Monitor Webcam | Las Vegas, NV With two F22 expansion interface, it can easily connect magic arms, field moninter ballheads , suction cups and other f22 quick release items., Lightweight and Portable , 1 Year Warranty: Guaranteed. 1/4 screwhole and Arri positioning column Falcam F22 Double End Quick Release Plate-f22a4408 X Falcam F22 3/8'' Quick Release Plate Falcam 2569