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As an agent for B2 StepGauge, we can provide you with industry leading Gap & Step Gauges.

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ROK-IT gauges offer a unique perspective on gauging bores and holes. The gauge is a slice through a sphere which enables the user to gauge holes without any discernable friction enabling gauging to be carried out simply by rocking over the sphere center.

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Double Ended


The down-hole groove measuring gauge allows the diameter of grooves to be inspected with ease. The gauge adjustment and blade width options allow a wide range of grooves to be measured.

Internal Groove Gauge

TYPE A Snap Gage


  • Metric Range: 0 - 230 mm
  • Inch Range: 0 - 9
  • 4 plain cylindrical pins

TYPE C Snap Gage


  • Metric Range: 0 - 220 mm
  • Inch Range: 0 - 8 5/8
  • Hardened steel anvils

TYPE U Snap Gage


  • Metric Range: 0 - 210 mm
  • Inch Range: 0 - 8 1/4
  • Measure external grooves

Thread Measuring Cylinders


  • Measure effective diameter
  • Set of 3 or Pair of 2
  • With eyelets for ULMM's