Features: With standard 1/4 inch screws on both ends, compatible with most camera cage, monitor, LED video light, etc. Designed for mounting monitor, LED light or other devices to camera cage or other bracket with 1/4 inch screw hole. With dual rotatable ball heads, you can adjust the usage angle freely; and the side locking knob ensures easy and quick tightening. There are dual screw holes(1/4 inch or 3/8 inch) on the locking knob for more powerful accessories extension. Made of high-quality aluminum alloy, and after CNC machining and surface heat treatment, the bracket is durable and rust-resistant. Specifications: Color: Black Material: Aluminum Alloy Screw: 1/4 inch Item Size: 11.3 * 4.2cm/ 4.4 * 1.7in Item Weight: 113g/ 4oz Note: Only the bracket is included. Packing List: 1 * Bracket 4 * Rubber Rings 1 * Storage Box