Arca-Type Baseplate, Maintains Access to Camera Battery, 1/4"-20 Camera Screw, 1 x 3/8"-16 Thread, 5 x 1/4"-20 Threads, QD Socket, Strap Slots. Use this SmallRig Baseplate to add an Arca-Swiss plate to the bottom of your Sony a6700 and make your camera compatible with DJI RS series gimbals. The baseplate secures to the camera via a 1/4-20 screw. Multiple threads on the bottom of the plate—five 1/4-20 threads and one 3/8-16 threads—offer pointing points for other tripod baseplates or mounting accessories. QD sockets and strap slots can accommodate QD shoulder straps or wrist straps. The design of the baseplate maintains access to the camera's battery port.