"Ring Gauge  for-TIBIAL KEEL BASEPLATE EXTRACTOR, RESTOR RH, Size-GO Dia 9.406MM To 9.410MM X Cylindricity-0.002MM & NOGO Dia 9.590MM To 9.600MM X Cylindricity-0.005MM, 
Gauge No PRG9400.9600
Drg Ref:C4010.00"