Best-selling SBH-250 precision-cut ball head moves swiftly and steadily so you won't miss the action. Constructed of solid, strong magnesium alloy, it's durable and yet lighter in weight than the industry standard. Unlike other ball heads, SBH ball heads are designed with molded body parts, not assembled cut parts, like the competition. Its smooth locking knobs allow you to move the ball head swiftly and securely into the perfect position, even with the heaviest lenses and cameras. It includes two bubble levels, 360-degree scale, fine-tuning knob and a safety lock for extra stability. A special universal quick shoe for body/lens is also included so you can upgrade your system to quick-release immediately.