From Florian Anwander Sent Tue, Sep 11th 2018, 20:10
Hello Rob I think simply mail to Dieter Döpfer / hardware(at-char)doepfer.de and ask him about brand and part number. I am sure he will tell 'em to you if they are avaible in the usual shops. But if they were a special order, then you won't come around buying the ones from him. Florian