I thought it best to start out with a positive report. Ron worked on a Sheaffer Crest Vac filler for me a few months ago. The pen belonged to an old friend and because it had a triumph nib, I didn't want to attempt the repair. Ron did a great job on the pen. It filled and wrote just as it should.
Ron's timing for the repair was as advertised - so no surprises there.
The communication was good and I wouldn't hesitate to give Ron some repeat business.