Fowler Bore Gage Setting Fixture Master Gage Block Stack Set standard gauge kit | eBay
52-646-400-0 Gauge Measurement Tool Extender Cylinder Dial Bore Gage Set with 1.4-6" Measuring Range Measuring Depth of 9.5", 0.0005" Graduation Dial Bore Gage with Portable Case - Yahoo Shopping
FOWLER® DIAL BORE GAUGE SET (1.4-6") from Aircraft Tool Supply