⏰ May Only! RockTumble Promo Code — 20%

Experts in stone glasses and rock glasses are used to roll and polish rough rocks, stones and pebbles including stones and pebbles and glass found on the beach! RockTumble's high-quality British-made gem processing machine provides professional surface treatment for your samples. The glass can be used with a variety of grit, the most common being silicon carbide grit and zinc oxide. All of their stone glasses come with a one-year warranty and full customer support. RockTumble sells complete stone rolling kits for beginners. For example, its metal detector and coin cleaning complete equipment, their 3-pound metal cleaning, barrel tumbler machine is fine-tuning coin cleaning or metal detector discovery cleaning. It comes with a plastic bucket and is an excellent machine for metal polishing and jewelry cleaning. The kit comes with a special finned bucket to help flip metal and coins.