The Kupo stage clamp is a durable and reliable rigging hardware used in the industry. Made from solid steel, it is specifically designed to assist with rigging light luminaries. The clamp is compatible with tube sizes ranging from 38-51mm and can support a payload of up to 110lbs. Additionally, the clamp features a 14mm hole located at the bottom for added versatility. The single-handle fixing screw can be fixed diagonally or directly onto the pipe, and the design of the handle bending is also easy to apply force during installation. It is suitable for use in studios, theaters, photography studios, and other lighting fixtures.