Product description:
The movement of the head is beautifully fluid - a nice touch
Very well made, great friction that slacken off just nicely to adjust. offers much more stability to the camera-tripod system.
the smooth movement with enough friction that it doesn't drop with a tripod head and full frame DSLR + lens.
Material: high quality aluminum alloy
Color: black matte
Ball Diameter：87mm
Base Diameter：60mm
Maximum load: 10KG
Weight: 273grams
Screw: 1/4 inch, bottom screw hole 3/8 inch