TEST STONE 1-7/8 X 1-1/2 X 1/4

Product Information

A dark stone on which needle and item to be tested are rubbed. Use with test acid solutions. Stone measures 1-7/8″ x 1-1/2″ x 1/4″ (48 x 38 x 6 mm). For our complete line, visit our Amazon site:

Features

• Used by Professionals