Meyer Class Z Pin Gage Set Meyer's Class Z Gage Pin Sets are now made to a closer tolerance (0.0001"), are more accurate, and are a better solution for your needs. The old Class ZZ had a size deviation of 0.0002". The new Class Z has a size deviation of 0.0001". Features of this set include... .251" to .500" Class Z Gage Pin Set 250 Pieces in 0.001" increments Size deviation .0001" Sets are traceable to NIST Boxes and Gages are both marked Each gage has an 8 microfinish or better Please specify PLUS or MINUS when ordering. PLUS (Go) tolerance = +0.0001" / -0.0000" MINUS (No Go) tolerance = +0.0000" / -0.0001"
