The bl a7s3 l bracket for sony alpha a7s iii is an arca type l bracket tripod head that keeps your sony alpha a7s iii camera stable. With a one piece design, it has flanges to prevent the camera from twisting or shifting within the bracket. You can mount your sony alpha a7s iii camera in a vertical or horizontal position onto a compatible arca type dovetail. It features a slotted design for easy access to the side port. The bl a7s3 l bracket with a black anodised 6061 t6 aluminium construction allows effortless tilting of the lcd monitor and offers quick access to the battery door. It also has a hand strap loop on the right hand side. The supped hex wrench is used to secure the camera attachment to the bracket body. It has a qd system located on the bottom and sensor centring on its back that facilitates the seamless alignment of the camera on a tripod head.