Benro BH0 ball head is produced using the latest in precision machining and manufacturing technology to ensure smooth and secure operation. Ultra-small and lightweight they offer performance with compromising stability. A patented, dual locking, snap-in quick-release system enables fast and secure camera ounting and dismounting. Specifications Top Plate or Base Plate Diameter 1.7in Maximum Load 8.8lbs Product or Folded Height 3.3in Leg Size 0 & 1 Head Mount 1/4-20 Quick release Type Snap-In Style (PH08) Weight 0.5lbs / 0.23kg