An Arca-Swiss compatible Quick Release Clamp suitable for replacing the old square, rectangular, trapezoidal or otherwise proprietary clamp on your ballhead. Fits many different ballhead makes that utilize 1 centre mounting hole.
Clamp is 2" wide and features one (1) standard countersunk hole that will work with either a 1/4"-20 Flathead bolt, or a 6mm Flathead bolt. The bottom of the clamp is slotted 0.260" wide by 0.790" long (6.5x20mm)