Benro Triple Action Ball Head w/ PU60 Quick Release Plate (IB1) Can hold up to 17.6 lb, stands at 3.8" high, and weighs in at 12.8 oz Features a large locking knob that enables control of the ball's motion and 360 Degree panning, and a separate knob that adjusts friction control. A numbered scale on the base of the ball head assists with accurate repeat pans, and a bubble helps ensure that the head is level to the horizon. A 90 Degree notch helps you to quickly switch your camera to portrait mode. Ideal for location shooting or for studio use.