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

Complete 57-piece kit covering full polishing workflows: cutting

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

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