Ring Sizer Plate - 12 Through Holes, EU Sizes 44 to 66 Engraved

Buying a ring as a surprise means guessing a number you have never been told. Borrow one of theirs for five minutes instead and drop it on this plate: twelve holes go right through, from 14.0 to 21.0 mm inside diameter, and the hole the ring sits in gives you the EU size engraved beside it -- 44 to 66, in steps of two. The EU size is simply the inside circumference in millimetres, so the same number works with most French and European jewellers. A hole on the left keeps the plate in the drawer…

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