Benro IB0 Triple Action BallheadBenro IB0 Triple Action Ballhead Benro SKU: IB0 Helix SKU: IDIB0 Overview The IB0 Triple Action Ball Head is an Arca type compatible head with a load capacity of 13. 2 lb. It stands 3. 5" high, and weighs 11. 3 oz. There are separate locks for both the ball movement and the 360 panning motion, as well as a friction control knob. A 90 notch makes it easy to switch to portrait orientation. The numbered scale on the head's base allows for easily