【Purpose and method of use】:US size,You just need to put it as a ring on your hand and adjust it to a suitable place to measure. The inner diameter of
US Size 1Pc Ring Sizer Measuring Set Reusable Finger Size Gauge
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Ring Sizer Measuring Set Reusable Finger Size Gauge Measure Tool Jewelry Sizing Tools 1-17 USA Rings Size
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1pc Ring Sizer Measuring Set Reusable Finger Size Gauge Measure Tool Jewelry Sizing Tools 1-17 USA Rings Size