Standard ring G (included) Measurement range (mm): 25-50 Minimum reading (mm): 0.01 Maximum allowable error (μm): 6 Measurement range (mm): 25-50 Minimum display (mm): 0.01 Maximum allowable error (μm): 6 Manufacturer code: 00151231 测量表面形状:卡尺类型(带碳化合金尖端) 恒定压力装置:是