Starrett 82MAZ Dial Bore Gauge Complete Set, 2.7 6.76 mm Range, 0.002 Graduation

Range is 2.7 to 6.76 mm with maximum bore depth of 20.6 mm and indicator graduations of 0.002 mm Two-point contact measurement system for detecting hole geometry problems like taper, bell-mouth and ovality Split-ball contact is self-centring Interchangeable probes are hard chrome-plated and polished, for precision and durability Set includes dial indicator, body, actuating rod, two adjusting wrenches, five probes and protective case