Dynabrade 11254 Contact Arm Ass'y, 4-3/4" Dia. x 1/2" W 
Dynabrade 10690 Filter/Regulator/Lubricator, FRL40, 1/2" NPTAssy. 
Insize 4801-15E, RADIUS GAGE, 1/32″-1/4″, 6928640330056
$26.64
Radius Gage Set Range 1/32″ to 1/4″
15 Internal Leaves and 15 External leaves
Accuracy +/- .0012″
Made of medium carbon steel
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$26.64
Radius Gage Set Range 1/32″ to 1/4″
15 Internal Leaves and 15 External leaves
Accuracy +/- .0012″
Made of medium carbon steel