I think these might be the ones:

http://www.mouser.com/search/refine.aspx Ntt=550-57001

At any rate there's a page of Re-An knobs on the Mouser site...give
them a look to make sure!

>
> > I want to get black knobs for my doepfer so they sit better with my
> > plan b, livewire, cgs panther modular....any idea what I am looking
> > for and where is a good place to buy them
> >
> > TIA
>
> We have these knobs available as spare parts as we use them in our

d3 system

> (same shape as the A-100 knobs but black with white line). Please

order from

> your Doepfer representative. The manufacturer of the knobs is Re-An

(UK).

> Maybe you can get them elsewhere.
>
> Best wishes
> Dieter Doepfer
>