The User Port Interfaces are now in stock for the Commodore 64 & 128. They allow you to plug in the harness so your 586220 or 785260 can test all the ports on your Commodore 64 or 128. These are £14.95 plus postage, for more information simply email sales@sharewareplus.com. We should have the harness in stock later in the summer. Updated 1st January 2025