Why does a refret cost so much more compared to a wooden neck instrument?
By its very nature graphite is a hard substance much harder than wood. Because of this it can also be brittle. Removing and replacing frets in graphite takes a little more skill, patience, time – and the correct knowledge. Also, since Steinberger repair is considered somewhat of a “vintage” service, you won’t find many younger luthiers qualified to do it. You’re paying for experience. All of these factors get reflected in the cost.