3kg Drum Polishing Machine, Jewelry Rotary Tumbler, Tumbling Mini-Tumbler Rotary Tumbler Polishing Machine Jewelry Polisher ,Motion Detection

Machine size : 230x180x240(mm) Polishing bucket size : 140x150(mm) Time control : 10-60 minutes Speed : 1-5 adjustable speed Capacity : 3kg(Water + Steel Ball + Workpiece)