I wanted 20 pin connectors for my Nixie tube project but ordered 24 pin ones.(It was late.) I have three that I don't need. I understand these are used for Commodore Pet I/O ports, does anyone want them? Edgeboard Connector, 24 contact, .156" pitch, solder-eye connectors, .200" gap. EDAC part number 307-024-500-202 The Digi-Key stock number is EDC307240-ND Here is a picture. http://rocky.digikey.com/WebLib/EDAC/Web%20Photo/307-024-500-202.jpg Michael Holley www.swtpc.com/mholley Here is the Nixie project. http://www.swtpc.com/mholley/PopularElectronics/Dec1970/PE_Dec1970.htm