ProMediaGear Plate (one base plate only) for Canon EOS 1D Mark III and Mark IV, 1Ds Mark III Arca-Swiss, Really Right Stuff RRS, Kirk Compatible
This plate is lighter than competitors plates, it offers the same level of stability, aircraft quality aluminum with durable black finish. Also having separate anti rotation lips on the sides and not through the entire length of the plate, offers you more contact with camera rubberized grip, increasing comfort and grip quality. The are no sharp edges, the whole idea of making custom fit body plates like these is to not even feel it is attached to your camera.
With ProMediaGear you have a chance to buy a unique item, new designs not copies.