This Induro BHD2 Ball Head is a dual-action magnesium alloy ball head that can hold up to 39.7 lb. It weighs 1.3 lb is 4.5" high with a base diameter of 2.9" / 74mm. The ball head includes an Arca-type compatible quick-release plate to facilitate camera attachment. Separate locking knobs control the movement of the ball and the 360° panning, while a third knob adjusts the friction control. A 90° notch allows for simple portrait orientation and a numbered scale on the base enables repeatable pans.