Presidium OTI All-In-One Diamond Tester Polishing Wheels & Rods Exhaust port accommodates a 2-1/4"

Exhaust port accommodates a 2-1/4" dust collector hose

Avoid excessive heat and keep free of small particles or residue

The Art Clay Silver/PMC Kiln Shelf Kit provides a stable

5 x 9 in (292 x 229 mm) Grit Range 180–1200 Micron Range 80–9 µm Included Sheets 6 (one of each grit) What's Included

Presidium OTI All-In-One Diamond Tester Polishing Wheels & Rods Exhaust port accommodates a 2-1/4"The 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