Mitutoyo 186-107 Radius Gauge 15.5-25mm

Radius size is stamped on each gauge.
Both concave and convex radius gauges become a pair.
With a locking clamp.
Composition of leaves: 15.5 - 20mm by 0.5mm, 21 - 25mm by 1mm (30 pairs).
Remarks: 180° arc.