The Tilta Pro Articulating Arm (Black) features ball heads to freely adjust its positioning. The articulating arm features two ball heads with 1/4"-20 screws that attach to your camera cage and accommodate secondary monitors, wireless transmitters, or electronic viewfinders. It measures 10.6" long and has an 11 lb load capacity. Multiple thumbscrews lock the arm in place. Stainless steel ball joints ensure smooth movements and durable construction.