The MA-40 40mm Ball head is purpose-built for heavy equipment support from the ground up. It comes with a lever release to lock/unlock the ballhead and a dual clamp system for both the ARCA Dovetail standard and Picatinny rails in the same unit.
Specifications
Height: 88mm
Ball diameter: 40mm
Mounting hole: UNC3/8"",M4
Weight: 370g
Max load: 20kg