Digital Dial Bore Gauge Manufacturer – DASQUA High Precision Measuring Tools Ranged Dial Bore Gauge Set with Extra Long Range of 35-160mm – DASQUA Manufacture and Factory | Dasqua
54-646-401-0 Digital Dial Bore Gage Set Electronic Dial Bore Gauge Set with 1.4" - 6"/35mm-150mm Measuring Range: Amazon.com: Industrial & Scientific
JOHNSON, Various Range, 0.0001 in Resolution, Digital Bore Gauge Indicator - 21XK45|1456-0000 - Grainger