When you need to check parts quickly, Progressive plug gages are the best choice. Both the GO and NOGO diameters are stepped on a single gage member. All members are securely attached to either a trilock or taperlock handle. All handles are marked with sizes and direction of tolerance.


  • Class XX, X, Y, or Z
  • NIST traceable
  • GO, NOGO tolerances
  • Tool Steel 60/62 Rockwell C
  • Certificate of Accuracy included
  • Additional marking available $0.50 per character
  • Material 0-1 tool steel through hardened 58/60 Rockwell C