Low inertia jewelled bearings and tungsten carbide auto reverse contact point for high sensitivity. Adjustable bezel for zero setting. Range 0 – 0.8mm. Graduation 0.01mm. Scale reads 0 – 40°. Low inertia jewelled bearings and tungsten carbide auto reverse contact point for high sensitivity. Adjustable bezel for zero setting. Range 0 – 0.8mm. Graduation 0.01mm. Scale reads 0 – 40°.