Precision Scale Measurement Type Multi Scale Radius 3/64 in to 13/32 in Angle -29 Degrees -55 Degrees -60 Degrees -188 Degrees Graduations Ten Circles with Diameters 0.1 mm to 1.0 mm 10 Degrees with 0.0050 in to 1/16 in Diameter Application Measuring Scale Calibration 3 Horizontal Scales 20mm to 0 Center Scale with Both Sides Calibrated 0 to 1 For Use With Mfr No 1154-10 Mfr No 1154-7