Cart is empty
Economy "Black" Glass stone is used with solutions and test needles to determine the karat value. Measures 2" x 1-1/2" x 3/16"
Discover a great variety of Interesting, Informative and Fun Jewelry Making Classes !
You can now sign up for classes online!
Our Extended Validation SSL certificate provides you with the highest degree of assurance that Armstrong Tool Supply Co. is a verified and trusted business and that your transactions are secure