【Widely Compatibility】 The horizontal tripod arm is specially designed for overhead photography. Ideal for professional photo studio, home studio shooting, indoor/outdoor shooting, etc. NOTE: only cross arm is included. The ball head, tripod, camera, or video lights featured are merely for illustration purposes and are not included. Items, such as a ball head, will be needed to use the product with cameras. | 【3 Mounting Heads with 3/8 inch Screw】 There is a fixed seat at the top and two bearing platforms with adjustable directions. The bearing platform is designed with release knobs, which allow the adjustment of the bearing platform in three directions in addition to quick assembly and disassembly. The 3 Mounting heads all feature 3/8" screws for connecting to external field monitors, magic arms, laptop trays, and other equipment to meet various shooting needs | 【Multiple Combination】With 3 mounting heads in total, It can be adjusted 360° horizontally and 180° vertically to meet your various daily shooting needs. It allows you to install multiple cameras, lights, or other photography equipment at the same time | 【Stable and Sturdy】The 25mm large diameter aluminum alloy cross arm provides greater stability and load capacity. Measuring 30in/76cm in length and with a load capacity of up to 22lb/10kg the arm reduces manual camera shake and the usual accompanying fatigue experienced by the photographer. | 【Premium Material】Made of durable, high-quality aluminum alloy material, it is lightweight and sturdy, and resistant to corrosion.