Custom designed L plate for Canon 5D3 5DIII 5DS 5DSR camera, matches perfectly with the camera body. Compatible with Arca-Swiss, both the base plate and the vertical plate Allows full access for the battery cover and all cable interfaces. Quick change from landscape to portrait mode without adjusting settings The base plate has reserved an additional 1/4''-20 mounting hole for additional functions. Made of aluminium alloy. Very smooth, scratch-resistant surface.