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category:
Testers
country_of_origin:
USA
manufacturer:
Grobet USA®
mpn:
56.708
subcategory:
Testing Supplies
type:
Metal Testing Sets
Product Description
Grobet USA® - 56.708
Used to determine karat content of gold. Needles and item to be tested are rubbed on test stone and treated with acid to determine match.
Set of 3 Testing Needles for 10, 14, and 18 Karat Gold