Derbyshire Pivot Polisher for Watch Makers Lathe. Marked: Derbyshire Made in U. Has brass, steel & wood laps as shown. 50mm center height. Slide/base is about 4-5/8 long. Uses the same size laps as a Levin pivot polisher. Includes alignment plate on bottom of slide. Very nice nickel plating, with some dried oil on it. […]