Presidium Gem Diamonds Gemstone Computer Gauge (PGCG) Birthstone These identify your work when

These identify your work when you send samples or orders to your supplier

Each measures approximately 3 1/4" x 2 1/2" x 9/16" closed and 6 1/16" x 2 1/2" x 9/16" open

Origin- United States

This is a new set of 3 inside and outside precision calipers

Presidium Gem Diamonds Gemstone Computer Gauge (PGCG) Birthstone These identify your work whenAN ADVANCED DIGITAL COMPUTER GAUGE THAT MEASURES GEMSTONE DIMENSIONS AND CAN ESTIMATE GEMSTONE WEIGHT AND IDENTITY FOR 9 DIFFERENT CUTS. PRESIDIUM GEM COMPUTER GAUGE MEASURES THE DIMENSIONS AND ESTIMATES THE WEIGHT OF LOOSE AND MOUNTED GEMSTONES WITH PRECISION, SPEED, AND EASE. IT IS THE ONLY GAUGE IN THE INDUSTRY THAT IS ABLE TO GIVE DIRECT ESTIMATION OF THE WEIGHT OF VARIOUS GEMSTONE OF A RANGE OF 9 POPULAR CUTS, GIVING USERS THE CONVENIENCE OF NOT