3M 45100, Roloc Disc Pad TR, Hard 1-1/2 in 1/4-20 Internal, 7000045286 
Dynabrade 07109 Vane Set (5pk) 
Dynabrade 18426 Vane Set (4pk) 
Insize 3294-2, NON ROTATING SPINDLE DISK MICROMETER, 1-2″, 6928640328169
$285.94
Graduation .0001″.
Measure root tangent length of gear.
Non-rotating spindle.
Ratchet stop.
Supplied with setting standards
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