31 - 56mm
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43 x 1.5mm Metric No Go Screw Ring Thread Gauge 6g£228.1943 x 1.5mm Metric No Go Screw Ring Thread Gauge 6g
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43 x 1.5mm Metric Go Screw Ring Thread Gauge 6g£228.1943 x 1.5mm Metric Go Screw Ring Thread Gauge 6g
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42 x 4.5mm Metric NoGo Screw Ring Thread Gauge 6gSpecial Price £109.80 Regular Price £137.2642 x 4.5mm Metric NoGo Screw Ring Thread Gauge 6g
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42 x 4.5mm Metric No Go Screw Ring Thread Gauge 6gSpecial Price £175.87 Regular Price £251.2442 x 4.5mm Metric No Go Screw Ring Thread Gauge 6g
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42 x 4.5mm Metric Go Screw Ring Thread Gauge 6gSpecial Price £175.87 Regular Price £251.2442 x 4.5mm Metric Go Screw Ring Thread Gauge 6g
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42 x 4.5mm Metric Go Screw Ring Thread Gauge 6gSpecial Price £109.80 Regular Price £137.2642 x 4.5mm Metric Go Screw Ring Thread Gauge 6g
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42 x 3.0mm Metric No Go Screw Ring Thread Gauge 6g£228.1942 x 3.0mm Metric No Go Screw Ring Thread Gauge 6g
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42 x 3.0mm Metric Go Screw Ring Thread Gauge 6g£228.1942 x 3.0mm Metric Go Screw Ring Thread Gauge 6g
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42 x 2.0mm Metric No Go Screw Ring Thread Gauge 6g£228.1942 x 2.0mm Metric No Go Screw Ring Thread Gauge 6g
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42 x 2.0mm Metric Go Screw Ring Thread Gauge 6g£228.1942 x 2.0mm Metric Go Screw Ring Thread Gauge 6g