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Your cart is empty.Large 6x3 inch Pro-Quality Testing Stone This large glass test stone includes a rubber grip backing. This test stone measures 6" x 3" x 1/4" *YOU CAN TEST SEVERAL PIECES AT ONCE WITH THIS EXTRA LARGE TEST STONE!* (Test Stones are used to test your gold jewelry without actually testing on the piece itself and ruining it. Instead you apply the acid to a mark that you rub on the test stone.) This stone allows to to test quicker by allowing you to test many items all at the same time!
Mack A.
Reviewed in the United States on September 30, 2023
l didn't expect that I would be able to make it work for me but I was wrong. Just scratch your jewelry on it and place a drop of acid solution and you're done.
Rick
Reviewed in the United States on July 2, 2023
I now have three. One for my shop, one for home and one in my travel kit
julie
Reviewed in the United States on September 3, 2022
Good quality stone. Just the right size and a great price.
RosieleNRickDogg
Reviewed in the United States on June 14, 2022
They do exactly as u expect you scratch the hold or silver and use to acid to finish
SR
Reviewed in the United States on May 26, 2022
It works as advertised & I like the relatively large size of this stone compared with other stones available in the same price range.
Hammer
Reviewed in the United States on August 20, 2021
Was bigger than I thought but that’s ok
Julie Diorio
Reviewed in the United States on April 17, 2021
A must if you are testing jewelry! Nice size stone!
michael kukulka
Reviewed in Australia on February 13, 2020
Its not a stone, its glass. This is terrible, The acid just runs off your scratch with the particles and you can't tell between real and fake
Cliente de
Reviewed in Mexico on November 29, 2017
Ya recibí e productotiene medidas exactas y en consecuencia es cómoda para usarno requiere de cuidados y puedo llevarla a mi negocio.sañudos !!!!!!
V. J.
Reviewed in the United States on May 7, 2014
This stone is WAY better than those tiny white stones. This stone works VERY well. I almost threw away my 2x2 whites after I got this one.
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