3M 83980, Roloc Disc Pad TR, Extra Hard 4 in 5/8 -11 Internal, 7000119300 
Insize 2383-35A, LONG STYLI DIAL TEST INDICATOR, .03″, 6928640374784
$162.90
Graduation .0005″
Jeweled bearing. Carbide contact point.
Two measuring directions. Anti magnetic body.
Supplied with two clamps: 5/32″ DIA and 3/8″ DIA.
Optional accessory: styli
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