Do you need just the flat metal clamps, or the whole baseplate assembly? If just the clamps and the tube spacers, I can measure mine and let you know the dimensions. They aren't anything mystical. Just a trip to the hardware store for a little bar stock and tube, then an hour or less of cut, drill and finish time will get you there. You can also check ebay under enlargers, Omega. I remember seeing a whole set a while back.