Gauges
With brass collar. Used with rubber points. Sold by dozen.
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Popular for use with rubberized abrasives. Sold by dozen.
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3/8″ screw length. Sold by dozen.
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3/16″ screw length. Sold by dozen.
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Indispensable gauge helps to size gemstones quickly and accurately. Sizes range from 1 pt. to 2.1 ct., plus baguettes. Aluminum disks fold together when not in use.
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Computes weight of diamond without removing stone from mounting. Width and depth are measured with caliper and compared with measurements in table. For round and fancy shapes.
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The holes in the gauge are used to measure stones, while the extensions are used to measure mountings. One side shows millimeters, the other side shows the corresponding carat measurements.
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American standard for ordering wire and sheet sizes from 0 to 36. Decimalequivalents on the back. Imported, economical quality.
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Measures in inches and millimeters. Capacity 4″ or 100 mm.
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This 80mm brass gauge is identical to the German models, but less expensive.
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