VEVOR 5kg Rotary Tumbler Surface Polisher Jewelry Polish Finish Machine Gem DIY

Model: KD-20002 Rated Voltage/Frequency: 230V AC / 60Hz Rated Power: 60W 1-stage Speed: 50rpm 2-stage Speed: 70rpm 3-stage Speed: 90rpm 4-stage Speed: 105rpm 5-stage Speed: 130rpm Timing Range: 0-60mins Outer Dimension of the Barrel: Φ 7 x 8.6 in / 18 x 22 cm Inner Dimension of the Barrel: Φ 7 x 4.7 in / 17.8 x 12 cm Barrel Capacity: 11 lbs / 5 kg Max Product Size: 8.6 x 11 x 11.2 in / 22 x 28 x 28.5 cm Net Weight: 11 lbs / 5 kg