More on Amazon.com : http://www.amazon.com/gp/product/B004QC3CMG?tag=thefatkidin06-20
Sirui K-40X 54mm Ballhead with Quick Release 77.2 lbs Load Capacity
360-degree panoramic function
Easy and fast operation on all the knobs locking is highly effective
Arca-Swiss type mount
Bubble level in both horizontal vertical and radial axes
Safety button to prevent quick-release plate from slipping out by accident