The precision engineered arca swiss monoball z1 sp single pan with fliplock can support a load of up to 60kg the single lever fliplock operation makes locating and secure setting of the plate which is available separately even quicker and easierplease note the safety stop feature of the wimberley plates do not work with the new double decker arca swiss quick release clamps on the z1 head the wimberley plates can still be used but users must ensure that the clamp itself is sufficientl