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13" Rail

  • Groove Diameter Gauge  90-BX1000

    Groove Diameter Gauge 90-BX1000

    These gauges adjust to cover all sizes of R, RX, and BX ring grooves. The standard gauge measures groove diameters from 2.6-13" and groove widths from 0.375-1.5". Optional rails extend the range of diameters from 13-37". The face groove gauges accurately...

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