Harriss leather measuring gauges are hand crafted in Italy and are accurate to 0.05 mm. The leather gauges are suitable for exact and quick measuring the thickness of leather as well as papers, cardboard and plates. Our leather thickness tool gauges are made with various parts. This page contains the parts to repair or replace most moveable parts on Harriss Leather Gauges. These leather gauge parts include; anvil set, anvil screws, dial face, geared rod and pin, gear and indicator, glass lens, plastic lens, indicator gear spring, springs, lever pivot screw, outside ring holder, and rod guide.