The PB343-27 Powerball head with 3 controls and quick release is the perfect ball head for cameras weighing up to 27lbs. This head features 3 separate controls - 360 degree pan, ball-friction and ball-locking for easy ultra-smooth positioning. A standard 3/8"-16 threaded base allows installation on most tripods. The Arca-Swiss compatible quick release plate features a quick release safety lock for added security. 2 bubble levels allow for perfect precision set ups. Technical Specifications: Ball: 43.5mm Height: 4.25" Capacity: 27lbs.Weight: 1.35lbs.