it is excellent for studio and small jewelry projects like gold and silver jewelry polishing..syi
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. kd-1320 rotary tumbler surface polisher jewelry polishing machine for ring necklace chamfering dressing rust removal 150w the jewelry polisher tumbler can be used for surface polishing, chamfering, dressing, rust removal, roughing, precision polishing, black spot removal, and fine grinding. it has a clear barrel with a locking bar closure. excellent for studio and small jewelry projects.