KFFKFF Jewelry Polisher Tumbler, 6.6lbs/3kg Capacity Mini Rotary Tumbler Machine with 0-60 Minutes Timer, 5 Speeds Jewelry Rotary Finisher for Surface Polishing Grinding Buffing Gemstones

Reliable Material: The 3 kg rotary tumbler, constructed from robust polycarbonate, boasts an innovative molding technique, leak-proof design, and exceptional durability. Enhanced Performance: This jewelry tumbler employs iron beads or steel balls to refine the workpiece's surface. Leveraging the principles of centrifugal motion, it boosts polishing efficiency by up to 10 times. This rotary tumbler enhances both the precision of specifications and the delicacy of shapes, resulting in a sleek and glossy finish. Flexible Adjustment: The jewelry polisher tumbler boasts a bidirectional rotation function, along with five variable speeds and a timer ranging from 10 to 60 minutes. This allows for precise adjustment of working time and speed, depending on the specific material and surface requirements of the jewelry being polished. User-friendly Design: The buckle, meticulously crafted, ensures excellent air tightness, eliminating any concerns about leakage. The jewelry tumbler machine's base incorporates a wear-resistant rubber pad, providing non-slip stability and shock absorption. Applications: Ideal for a wide range of materials including jewelry, steel, iron, copper, zinc, aluminum, and magnesium alloys. Suitable for various tasks such as surface polishing, chamfering, trimming, rough finishing, precision polishing, removal of black spots, and fine grinding.