Presidium Gem Tester II Ring Mountings The included 2-sided single-line block

The included 2-sided single-line block dial features large upper case slanted type on one side and smaller upper case non-slanted type on the other

and resale

Holds pliers upright for quick access and easy identification

Compatible with ring cutter blades 148

Cohler Superblack Black Rhodium Plating Solution is a pre-mixed

Presidium Gem Tester II Ring Mountings The included 2-sided single-line blockIs 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