GOLD TESTER KIT: Test Stone + 600BX Digital Scale

The DW600BX is made with a high quality strain gauge load cell system makes it accurate in full capacity range. High density ABS housing and metal support makes it very durable. Large attractive and high contrast blue back lit LCD display makes the readouts clear to read. The clear plastic lid also doubles as an expansion tray. We stand behind our products. If you receive a damaged or defective scale, simply ship it back to us and we will ship you a FREE replacement. --The scale alone is sold in stores for 49.99 USD! Don't get ripped off--buy direct from me and save.-- The Acid Test: -Rub the coin or metal on the testing stone. -After doing this it will leave a gold streak on the stone. -Leave a drop of the 22K solution on the scratch made. *If the solution dissolves your scratch on the stone this indicates that the object is less than 22K gold or not even gold at all. *Should the solution leave your scratch intact, your object is 22K or greater in purity. *If the acid takes a while to dissolve the metal and leaves rusty material behind, it is likely your test sample is real gold but is less than 22k pure. *If the acid solution leaves your scratch intact, your coin is either 22k or 24k gold. Scale measures 5"x3"x0.75"