Ok so then you will want something with a nice soft grip handle and nicely fine etched teeth, in between jewellers files and machine files. Something like this set . (The brush is used in this case to clean the files themselves) the diamond tipped files provide a lovely finish after the rougher teeth set files have done their work https://www.amazon.co.uk/dp/B084WTH...9Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=