31 - 56mm
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39 x 2.0mm Metric Go Screw Ring Thread Gauge 6g£211.4939 x 2.0mm Metric Go Screw Ring Thread Gauge 6g
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39 x 2.0mm Metric No Go Screw Ring Thread Gauge 6g£211.4939 x 2.0mm Metric No Go Screw Ring Thread Gauge 6g
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39 x 3.0mm Metric Go Screw Ring Thread Gauge 6g£211.4939 x 3.0mm Metric Go Screw Ring Thread Gauge 6g
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39 x 3.0mm Metric No Go Screw Ring Thread Gauge 6g£211.4939 x 3.0mm Metric No Go Screw Ring Thread Gauge 6g
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39 x 4.0mm Metric Go Screw Ring Thread Gauge 6gSpecial Price £172.51 Regular Price £246.4439 x 4.0mm Metric Go Screw Ring Thread Gauge 6g
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39 x 4.0mm Metric No Go Screw Ring Thread Gauge 6gSpecial Price £172.51 Regular Price £246.4439 x 4.0mm Metric No Go Screw Ring Thread Gauge 6g
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40 x 1.0mm Metric Go Screw Ring Thread Gauge 6g£228.1940 x 1.0mm Metric Go Screw Ring Thread Gauge 6g
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40 x 1.0mm Metric No Go Screw Ring Thread Gauge 6g£228.1940 x 1.0mm Metric No Go Screw Ring Thread Gauge 6g
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40 x 1.25mm Metric Go Screw Ring Thread Gauge 6g£228.1940 x 1.25mm Metric Go Screw Ring Thread Gauge 6g
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40 x 1.25mm Metric No Go Screw Ring Thread Gauge 6g£228.1940 x 1.25mm Metric No Go Screw Ring Thread Gauge 6g