waltyotur10 Pcs Precision Angle Block 1°, 2°, 3°, 4°, 5°, 10°, 15°, 20°, 25°, 30° Set Precision +/- 20 Seconds Lathes Milling Ground Gauge Angle Calibration Gage Inspection Block Set

描述

waltyotur10 Pcs Precision Angle Block 1°, 2°, 3°, 4°, 5°, 10°, 15°, 20°, 25°, 30° Set Precision +/- 20 Seconds Lathes Milling Ground Gauge Angle Calibration Gage Inspection Block Set