Dynabrade 78860 Crimped Wire Radial Wheel Brush 2" Dia. x .006 x 7/16" Steel 
3M 08964, Scotch-Weld Concrete Repair DP600NS, Gray, Non-Sag, 48.5mL Duo-Pak, 7100148747, 12/case 
Insize 3294-3, NON ROTATING SPINDLE DISK MICROMETER, 2-3″, 6928640328176
$304.13
Graduation .0001″.
Measure root tangent length of gear.
Non-rotating spindle.
Ratchet stop.
Supplied with setting standards
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