Gauges

3/8″ screw length. Sold by dozen.

3/16″ screw length. Sold by dozen.

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.

This fine 6″ steel ruler is useful for quick measurements or scribing lines and features a hole in one end for hanging and includes a handy conversion chart on the back – inches to millimeters.

Wedding band sizer, sizes 1 to 15.

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.

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.

American standard for ordering wire and sheet sizes from 0 to 36. Decimalequivalents on the back. Imported, economical quality.

Measures in inches and millimeters. Capacity 4″ or 100 mm.

This 80mm brass gauge is identical to the German models, but less expensive.

The points are precision ground and accurate to 0.10 millimeter with a 10mm capacity. Marked on both sides.

Contains 7 blades for measuring the most popular diamond shapes: round,baguette, square, pear and marquise stones.