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  • Show Thread ring gauges DIN 13, 6g with certification
  • Thread ring gauges, standard metric thread DIN 13, 6g, M3- M20, with certificate
  • Thread ring gauges, fine metric thread DIN 13, 6g, M6- M20, with certificate
  • Thread ring gauges, DIN 13, 6g, M60- M120, with certificate