The precision engineered arca swiss monoball z1 dp with quickset classic can support a load of up to 60kg this dp double pan version includes a second panning mechanism below the camera mount which keeps the camera completely vertical for perfect panoramic images the single knob quickset operation makes locating and secure setting of the plate which is available separately quick and easyplease note the safety stop feature of the wimberley plates do not work with the new double decker