Cullmann MAGNESIT MB6.3 aluminum ball head incl. SK unit (580g, 23kg carrying capacity, 11cm height, 10-year warranty) (Electronics)
The massive and quite heavy tripod head Cullmann MB6 also keeps a heavy DSLR with full-frame lens light heavy from (tested with 24-70 / 2.8). With long exposures in inclination, in the professional class DSLRs (with multiple batteries and heavy lens)