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Gold black touch stone

SKU: 970445.1PC Category:

Touchstone black to test silver and determine the karat value of gold. Rub the needle of your tester and the object you want to analyse on the touchstone, then pour some drops of acid to see the karat value. 60X40X6 MM – 1PC

2 in stock

15,60 IVA esclusa

2 in stock

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Via del Lavoro, 1
36050 Bressanvido (VI) – Italy