Presidium Gemstone Dial Gauge PDG Bangle 9 cm x 25 mm)

9 cm x 25 mm)

Chain Board Display

700 New Double Shoulder Watch Band Spring Bars

Here are a set of one hundred of our cotton filled pocket watch boxes

Presidium Gemstone Dial Gauge PDG Bangle 9 cm x 25 mm)A nifty easy to use analog gauge for measuring gemstone dimensions with ability to convert to estimated carat weight for round brilliant diamonds (up to 29 carats), without the need to dismount your mounted diamonds! The PDG also has an inner scale display for US ring size measurements. Measures from 0. 0 to 23. 0mm Accuracy: 0. 1mm Tolerance: 0. 02mm with simple zero realignment Analog gauge with mm ct ring size display Patented anvil Smooth slider