Presidium OTI All-In-One Diamond Tester Casting Machines & Equipment Wood stand holds all four

Wood stand holds all four pliers upright for organized bench storage

A C-clamp is required to secure this vise to a Foredom drill press or other drill presses

or otherwise attached to a wood frame

The built-in heater reaches up to 149°F (65°C)

Presidium OTI All-In-One Diamond Tester Casting Machines & Equipment Wood stand holds all fourThe Presidium OTI All In One Diamond Tester combines dual optical and thermal testing technology into a single probe, delivering fast, reliable diamond authentication for professional jewelers and gemologists. This versatile instrument distinguishes natural diamonds from lab grown diamonds, moissanite, and common simulantsincluding glass, sapphire, and cubic zirconiawhether the stone is loose or mounted in any jewelry setting. With a resistive