Professional Gold Testing Stone Top Quality Acid Testing Stone, smooth surface, measures 6 x 2.5 x 0.75". Used for testing gold using acids.
Measurements: 6 x 2 1/2 x 3/4"
Professional Gold Testing Stone Top Quality Acid Testing Stone, smooth surface, measures 6 x 2.5 x 0.75". Used for testing gold using acids.
Measurements: 6 x 2 1/2 x 3/4"