it is excellent for studio and small jewelry projects like gold and silver jewelry polishing..syi
KD-1320 Máquina de polimento de jóias para polimento de jóias do polimento do copo rotativo para colar de anel Remoção de ferrugem para chan the jewelry polisher tumbler can be used for surface polishing, chamfering, dressing, rust removal, roughing, precision polishing, black spot removal, and fine grinding.this rotary tumbler is quite simple to operate and gives an excellent finish to materials such as rocks, stones, coins, clean cartridges, polish brass, etc.