OFNHJK Professional Rock Tumbler Kit, Electric Rock Polisher, Adjustable Speed Rotary Rock Polisher Machine, Strong Operating Power/Uniform Vibration and Low Noise, for Metal Polishing

【Create Your Own Gemstones】: Make any stone sparkle and polish everyday rocks into dazzling gemstones! This rock polisher kit makes it fun and easy to turn rough rocks into beautifully polished gemstones, thanks to its simple operation and durable design. 【Leakproof Design】: To prevent the liquid from leaking during polishing, our rock tumbler is designed with double stainless steel top cover. It is so compact that you will need a screwdriver to open it easily. Designed for people of beginners and professional. 【Durable and Silent】: Our high-quality tumblers are made with a durable motor that’s designed to last for years. The leakproof rubber barrel reduces sound, making it 75% quieter than other plastic models. 【Easy To Use】: Simple instructions and one-touch settings make rock tumbling fun and easy. Control the number of days for each tumbling cycle with the one-touch timer and automatic shutoff feature, so you can set it and forget it. 【Excellent Gift】: Whether for a friend collecting crystals and gemstones or a family member who enjoys the stone, glass, and metal tumbling hobby, our rock polisher tumbler makes a practical gift. It also works as a great educational tool for a kid who loves science & geology.