Weighing only 744g, this portable analyzers combines laboratory grade precisions with strong construction for seamless use across gemological applications Crafted from ABS with anti drop resistance and a digital display, this lightweight tool ensures accurate measurements and long lastings performances Perfectly suited for at home jewelry inspections, in store appraisals, or field assessments during gemstones sourcing expeditions Professional Diamonds Girdle Code Readers with advanced electronic technology for precise gemstones identification, ideal for diamonds, jades, amber, and crystal verification Essential for jewelers, gemologists, and enthusiasts requiring equipment for professional gemstones evaluations and certification processes, Manufacturer: JAMNGHB