VEVOR Jewelry Polisher Tumbler, 11lbs/5kg Capacity Mini Rotary Tumbler Machine with 0-60 Minutes Timer, 5 Speeds Jewelry Rotary Finisher for Surface Polishing Grinding Buffing Gemstones Jewels CoinsUpgraded Gear TransmissionMultifunctional PanelLarge CapacityTight Lock BuckleOperation StepsWide ApplicationInner Dimension of the Barrel: Φ 7 x 4.7 in / 17.8 x 12 cm,1-stage Speed: 50rpm,Outer Dimension of the Barrel: Φ 7 x 8.6 in / 18 x 22 cm,Product Size: 8.6 x 11 x 11.2 in / 22 x 28 x 28.5 cm,Rated Voltage/Frequency: 110V AC 60Hz,4-stage Speed: 105rpm,5-stage Speed: 130rpm,Barrel Capacity: 11 lbs / 5 kg Max,Model: KD-20001,2-stage Speed: 70rpm,Rated Power: 60W,Timing Range: 0-60mins,Net Weight: 11 lbs / 5 kg,3-stage Speed: 90rpm