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Set of 18; sizes from 1.00mm to 5.00mm
With measurements in mm and inches.
Brass Millimetre Gauge
Measures round and baguette stones from 1/100 to 2 carats.
Battery operated and provides accurate sizing in mm and inches.
Gauge Micrometers
K&B Diamond and Stone Gauge. Measures loose or mounted stones from 3 points to 4 carats. Birthstone chart on reverse.
15mm Capacity; Graduations 1 to 10mm; Throat 20mm.
With CM conversion only
837 With Clip
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