Mini-Sonic Tumbler Scales A 1" extender and spring

A 1" extender and spring ring clasp completes the bracelet

In addition to lapidary use

chains and wire designs during polishing

While parts tumble

A hook-and-loop fabric strip on the back of the display secures the necklace in place for a professional presentation

Mini-Sonic Tumbler Scales A 1" extender and springThe MT 4 Mini Sonic tumbler operates with no moving partsno shafts, belts, pulleys, spinning weight or even a motorno parts to maintain, wear out or replace. This tumbler converts electric current into vibrations (more than 3,500 vibrations minute) that power the rotation of the load. The intensity of the vibration is adjustable using solid state electronic controls. While parts tumble, they are alternately separated and pushed together; this cycling