The kirk bl d600 l bracket for nikon d600 and d610 is a custom made one piece aluminium l bracket when attached it allows full access to all the switches and battery drawers and allows quick changes from horizontal to vertical composition and vice versa without having to adjust your tripod andor tripod head the kirk l bracket also helps to protect the camera body and keeps the weight of the lens and body over the tripods centre of gravity the l bracket from kirk attaches directly to kirk ba