Description
Digitally controlled variable speed: 5–30 rpm
Can be used with extended and double-ended holders for deeper access to workpieces
Because pink gold has a high copper content
tempered steel Shape Narrow oval (60% ratio) Taper Angle 17° Hole Size Range 4 × 2
Presidium Gem Tester II Ring Mountings Digitally controlled variable speed: 5–30Is it a diamond or moissanite? Ruby or garnet? Sapphire or tanzanite? Emerald or jadeite? The Presidium Gem Tester II (PGT II) provides fast, laboratory proven answers for jewelers and gemologists working with both mounted and loose stones. This professional grade color stone estimator eliminates human error in gem identification by measuring the rate at which different gemstones conduct heat a physical property unique to each stone type. Simply touch
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
