Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller It features a 50 mm

It features a 50 mm (2") foot and stands 75 mm (3")

apply pressure from above and below—not from the sides—to properly seat each joint

effectively giving you the service life of two laps in one unit

Refillable 12" round leather sandbag — sold empty and ready to fill with sand or steel shot for a customized weight and feel

Complete 57-piece kit covering full polishing workflows: cutting

Presidium PDT Duo Tester-Identify Diamonds & Colored Stones Muller It features a 50 mmThe Presidium PDT Duo Tester combines two distinct testing methods into a single professional instrument, giving jewelers and gemologists the tools needed to accurately identify diamonds, diamond simulants including synthetic moissanite and popular colored gemstones. Unlike a standard thermal tester alone, this unit simultaneously performs both thermal conductivity testing and digital reflectivity measurement through a single probe at the press of one