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Watchmakers' Wheel Sizing Plates. These are 2 brass double sided wheel sizing plate. The large plate (19.5 cm long) measures wheel sizes from 3 to 13 on one side and from 13 1/8th to 17 on the other. The smaller plate (18 cm long)measures from 1-8 on one side and from 9-16 on the other. This side also has gauges on the side to measure thickness. |
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