10Pcs Goldsmith Jewelry Gold Testing Tool Gold Testing Stone

10Pcs Goldsmith Jewelry Gold Testing Tool Gold Testing Stone

Specification:
Gold Testing Stone HJ-B81
Size: 74x44x6mm(L*W*H),
Weight : 55.42g,

Gold Testing Stone HJ-B82:
Size: 76x40x7.5mm(L*W*H),
Weight : 58.75g,

Gold Testing Stone HJ-B83:
Size: 100x51x7.9mm(L*W*H),
Weight : 97.55g,

Gold Testing Stone HJ-B84:
Size: 128x66x12mm(L*W*H),
Weight : 277.78g,