On Monday, 27 March 2017 11:44:38 UTC+1, rick wrote:
I need to get a set of brake drums (8" not huge ones)
There is a lip inside each and need to get rid of this before I install
new shoes, and reassemble

Anybody know of anywhere in S.Wales that does this ... I am in Neath.

Sorry - just realised you mean the lip at the back face end.