Loading...

Test Stones


Testing Stone

CODE: 56.744

$3.30
Stone used with solutions and test needles to determine karat values.
10 days

Natural Testing Stone

CODE: 56.710

$16.60
Natural Testing stones used with solutions and test needles to determine karat values of precious metals. 1 7/8" x 1 1/2"x 1/4".
10 days

Test Acid Neutralizer

CODE: GT400

$6.00
Use when testing metals with acids. Prevents further skin and object damage. Prepares stone for accurate testing. 5 oz bottle
10 days

Rare Earth Magnet

CODE: GT200

$8.00
Extremely powerful rare earth magnet used to test for non-precious metals before acid testing. Any item that sticks to the magnet is not silver or gold!
10 days

Stone Removal Pliers

CODE: PL163

$10.00
Stone Removal Pliers, use to open prongs for removal of stones before setting or scraping metal.
10 days

Gold Test Stone-Black Glass

CODE: STN720.00

$4.00
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"
10 days

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