BH0 BENRO BH-Series Ballheads provide a single action control for smooth movement and stable camera positioning, and feature a snap-in style quick release plate system with dual locks. Patented Dual-Lock Quick Release System BH-Series ball heads incorporate a patented dual lock-lever that makes it easy to mount your camera to the head, while preventing any chance of accidentally unseating the camera Single Knob Adjustment A single, one-touch adjustment knob allows for quick and precise camera positioning Dual Locking Quick Release System patented spring lock combined with manual release provide extra security |