Belt-Free Direct-Drive Motor: This rock tumbler kit uses a low-voltage direct-drive motor for smoother, more efficient polishing without belt transmission, eliminating belt wear and replacement while reducing maintenance costs. It runs at ≤35 dB, letting you enjoy a quiet and comfortable creative experience

Even Polishing Results: This rock polishing kit comes with 8 types of rough stones, each with unique textures and colors. Whether you are a beginner or an experienced enthusiast, it helps you transform rough stones into beautiful gems, bringing out their natural shine and beauty

Flexible Adjustment: Our stone tumbler features a 1- to 9- day timer and 4 speed levels ranging from 75 RPM to 120 RPM, meeting polishing needs for different materials and stages. With overload protection and power-off memory, it automatically resumes the remaining cycle after outages. The constant-speed design ensures more uniform and consistent results

High Load Capacity: This rock polisher comes with a 3 lbs heavy-load barrel that holds more rocks at once, greatly improving polishing efficiency. The large capacity saves time, ensures even polishing, and reduces frequent refills for easier operation

Complete Kit: The rock tumbler kit ncludes manual, assorted rough stones, round abrasives, microcrystalline silicon carbide, polishing powder, filter sieve, hollow shaker balls, single rings, pendant cords, flat ring bases, and adapter. With all accessories provided, it is perfect for home crafting or parent-child activities, letting you fully enjoy the transformation from rough stones to sparkling gems