"Pin Gauge For-TIBIAL KEEL BASEPLATE EXTRACTOR,
RESTOR RH, Size- GO Dia 21.03MM To 21.50MM X Cylindricity-0.010MM & NOGO Dia 21.950MM To 22.00MM X Cylindricity-0.025MM, Gauge No PG21000.22000
Drg Ref:C4010.00"