Really Right Stuff BVGC5-B Custom Arca Base Plate for Sony a1 II and a9 III

The Really Right Stuff BVGC5-B Custom Arca Base Plate for Sony a1 II and a9 III features an Arca-style dovetail and is compatible with any standard 1.5" dovetail quick release system. It provides a fitted, anti-twist foundation for demanding shooting conditions. Made of aluminum, the plate maintains complete access to the battery door and has a laser-engraved center mark on the back to align it on a tripod head. It has an integrated storage area for the included Allen wrench.