The SmallRig Bottom Mount Plate for Sony a7C II and a7CR (Black) is designed to add multiple additional mounting options to the bottom of your camera along with improving the grip of the camera body. The SmallRig Bottom Mount Plate for Sony a7C II and a7CR (Black) mounts via 1/4"-20 screw and quickly mounts onto tripods and gimbals. You will also find a QD (Quick Detach) Socket for compatible shoulder straps. At the bottom, you will find a magnetic screwdriver for easy attachment and detachment.