Presidium Electronic Gemstone Gauge PEGG With Book And Case Prop 65 - Phthalates 5 mm at the smallest

5 mm at the smallest end to 15 mm x 20 mm at the largest

Produces a smooth casting surface with minimal surface imperfections

Blade extends from handle to tapered tip for consistent cutting action

The diamond material is approximately 1

9 for a 16

Presidium Electronic Gemstone Gauge PEGG With Book And Case Prop 65 - Phthalates 5 mm at the smallestThe Presidium Electronic Gemstone Gauge (PEGG) delivers precision far beyond what traditional dial type gauges can offer. Reading to 0. 01 mm, this instrument is ten times more accurate than analog dial type gemstone gauges a critical advantage when matching pairs from large lots of stones or verifying precise measurements in the trade. Designed for diamond and gemstone dealers, bench jewelers, and anyone who demands exacting measurement standards,