Mitutoyo 1921TB-10 0 Series Compact Flat Back Inch Dial Indicator, 0.1 in, 0 to 20 to 0 Dial Reading, 0.001 in, 1.22 in Dial, #4-48 UNF Tip | DGI Supply
Japan inner diameter dial indicator rod 15-35-50-150mm0.001 gauge 511-435/436/437 blind hole inner diameter gauge - AliExpress
Entry Dial Indicator with Lug Back Design 0~10 mm DIN878
Bore Gage
Buy Mitutoyo 511 417 - 50-150 mm Bore Gauges for Blind Holes without Dial Gauge Online at Best Prices in India
Fowler 52-646-100-0 | 0.7"-1.5" Range x 0.0005" Graduation Dial Bore Gage Set - All Industrial Tool Supply
Fowler 2" to 6" Right Angle Dial Bore Gage - 52-646-250 - Penn Tool Co., Inc