Never waver – 3 independent knobs (easy-to-grip main lock, ergonomic friction control & 360° panning knob) Rapid - intuitive positioning in a matter of seconds and Robust - durable aircraft aluminum housing for long-lasting performance Smooth: anodized surface on the ball ensures it will remain scratch-free and provide ulta smooth and precise movement High work load performance – 22 pound maximum load capacity for multi gear options and Safe: Arca-type quick release system with a built-in safety pin Precise: 2 bubble levels for precise adjustments