3M 14197, Roloc Disc Pad TP, Medium 2 in 1/4-20 Internal, 7000119311 
3M 45099, Roloc Disc Pad TR, Medium 1-1/2 in 1/4-20 Internal, 7000045280 
Insize 1192-200AEWL, DIGITAL OFFSET CENTERLINE CALIPER, .4-8″/10-200mm, built-in wireless, 6940561960655
$526.82
Resolution: .0005″/0.01mm.
Measure hole center distance in the same or offset planes.
Buttons: on/off, set, inch/mm, preset (+, -).
Automatic power off, move the digital unit to turn on power.
Battery CR2032.
Data output.
Made of stainless steel.
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