This is the real thing! Heavy duty Rock Tumbler does much more than ordinary rock polishers - it actually changes rough stones into beautiful, high-luster, semi-precious gemstones. You can even make jewelry and key chains with the settings included in this set. U.L. Listed.
Set includes: Tumbling machine with heavy-duty motor, rough semi-precious stones (including amethyst, jasper, agate, and others), grit, polish, jewelry settings, glue, and instruction manual.