511-931-20 (0.0005") 2-Point Inside Measuring Bore Gauge 0.7-6
526-120-20 (0.0005") 2-Point Inside Measuring Bore Gauge 0.4-0.7
511-744-20 (0.0005") 2-Point Inside Measuring Bore Gauge 4-6.5
526-119-20 (0.0005") 2-Point Inside Measuring Bore Gauge 0.3-0.4
511-743-20 (0.0005") 2-Point Inside Measuring Bore Gauge 2-6