Naito CR0508 Digital Chamfer / Radius Gauge Digital gauge for a 45 degree chamfer offset, corner radius corner or cylinderManufactured in Japan Digital reading output accurate measurement results. Measure a small 45 degree chamfer offset, corner radius, or cylinder. Toggle key function between chamfer and radius measurement. Absolute and relative measurement functions. Zero setting function. Setting master pin gauge for calibration is included. Model CR0508 Measurement 45 chamfer offset on a square corner, corner radius Range Chamfer angle of 45 degree C0. 01 C15. 00