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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
PD tolerance range 60 - 68 mm (PD = pupillary distance
Height 380mm
Bergeon 7018
5 sizes: 10 x 12
Injection temperature 71°C
Testing Stone in Wooden Box Horotec MSA 03.622 Multi Function Tool PD tolerance range 60 -Precision testing doesn't require compromises. Our gold testing stone is an essential tool for jewellers and retailers who demand accurate results without risking damage to precious pieces. Simply rub the stone across your gold item to remove surface plating, then apply your testing acid to the stone rather than directly to the metal. This proven two step method reveals the true gold content while protecting your inventory from acid discolouration and
