Benro B00 dual action Ball Head with PU40 Plate. Benro B series dual action Ballheads are precision manufactured from magnesium alloy with a elegant strong finish. The B00 head features separate maunal drag & lock controls a standard universal quick release camera mounting plate system together with an independent smooth panning control & positive locking. The Quick Release System on the Benro B00 Head is Arca Swiss compatible as well as being compatible with most other mainline quick release systems. For user convenience all Series B Heads are supplied with a Universal camera plate. 360 Degree Panning Accurate panoramas can be achieved using the graduated panning scale which facilitates precise image alignment. The Benro B00 incorporates separate lock & drag adjustment knobs. These assist in helping to avoid any confusion when working fast. Benro B00 incorporate a separate control knob for independent pan & lock.