数显超硬合金卡尺编号规格500-174外测爪6 *150mm分辩率0.01mm0.0005 500-1768 *200mm500-16712 *300mm500-175内外测爪6 *150mm500-1778 *200mm500-16812 *300mm数显卡尺(SPC)编号规格500-1716 *150mm分辩率0.01mm0.0005 500-1728 *200mm500-17312 *300mm500-505-1018 *450mm500-506-1024 *600mm500-507-1040 *1000mm