Presidium Gem Diamonds Gemstone Computer Gauge (PGCG) Birthstone It measures approximately 6 3/8"

It measures approximately 6 3/8" x 4 1/2" x 10" (161 x 114 x 254 mm)

2 Cranking rods to make 2 size coils

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

Not only does this bust adjust for the best angle to highlight your jewelry but it is also washable

30 Sterling Silver Closed Jump Rings Great for Connecting Clasps

Presidium Gem Diamonds Gemstone Computer Gauge (PGCG) Birthstone It measures approximately 6 3/8"AN 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