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Gauge Micrometers
Size: 1½ to 3⅜”; Reversible 1 - 27
Holes are used to measure stones and extensions are used to measure mountings. Gauge has mm and carat measurements.
Measures round and baguette stones from 1/100 to 2 carats.
Reverse side is metric carat measurement.
Capacity: Diamond - 0.02 to 6 carats Pearl - ½ to 40 grains
10mm Capacity; Graduations 1 to 10mm.
Measures in MM and 41 - 76 European Standard.
15mm Capacity; Graduations 1 to 10mm; Throat 20mm.
Hardwood and useful in wire working as it will not scratch. Not to be used for ring sizing, but only for wire working.
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