SMARTPRO ® SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro Assorted Charms 12 Cylinder Silicon Carbide Abrasives

12 Cylinder Silicon Carbide Abrasives For Polishing Gold & Semi Pecious Alloys

Has a bench pin slot with a select hardwood bench pin

This band can be adjusted to hold watches that measure approximately 18 mm wide and 27 - 35 mm long (11/16" x 1 1/8" - 1 5/16")

The clearance between bars is approximately 2 1/4"

SMARTPRO ® SPGE-I Gem Eye I Gem and Diamond Tester Smart Pro Assorted Charms 12 Cylinder Silicon Carbide AbrasivesThe Gemstone Tester with color estimator display for smooth, seamlessly testing of precious stones and diamonds. The SmartPro Gem Eye I was specifically developed to distinguish between diamonds and other simulants, using the principle of thermal conductivity. The exceptional heat conductivity of diamond is unlike any simulant. Therefore, diamonds are not easily replicable. The SmartPro Gem Eye I consists of two linked thermometers; one that is heated