These EASY to use genuine PuriTEST *LARGE* 2''x4'' test stones are great tool to use with will Gold, Silver, and Platinum testing solutions. 

Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear! Solutions sold separately.

This listing includes:

- (2) PuriTEST 2''x4'' Test Stones New in Box with Rubber backing to ensure non-slip desktop testing! Can be used over a thousand times, simply clean with baking soda/water between uses.

- (1) Easy to follow instruction booklet with color chart 

A MUST-HAVE for anyone who invests in gold, silver, or platinum!

NOTE: *Solutions sold separately*