Home / Measuring Tools / Center Gage, Starrett, No. C391 (B) Center Gage, Starrett, No. C391 (B)$15.00 Category: Measuring Tools Description Description Starrett No. C391 Center Gage Related products Micrometer, Outside, Polish 0-1″ .0001″ $15.00 Read more Micrometer Standards, Metric, 50, 175, 200, 225, 250, 275MM $69.00 Read more Gage Blocks, Mitutoyo Square , .022″ .900″, .950″, 1″, 2″ $19.00 Read more Micrometer Standard, Depth, Size Control, Mike Master ,500″ to 5.500″ $249.00 Read more