Presidium OTI All-In-One Diamond Tester Casting Machines & Equipment These are not traditional cut

These are not traditional cut files — they are ceramic-coated burnishing and finishing tools shaped like needle files

Two different size mandrel holes to position ring and forming mandrels at the bench

this control gives jewelers and metalsmiths convenient countertop-level operation—allowing you to override the automatic start feature on compatible Superflow models or to easily start and stop the PGR without reaching for the unit itself

or otherwise attached to a wood frame

5KW (1500W) Application Jewelry steam cleaners Compatibility

Presidium OTI All-In-One Diamond Tester Casting Machines & Equipment These are not traditional cutThe 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