Magnetic tumbler for small non ferrous parts and precious objects. The tumbler applies a rotating magnetic field to a group of tiny steel needles (inserts of various shapes) placed in a container filled with soap and water. Magnetic field moves metal inserts (micro-hammering) hitting the objects to be polished inserted in the container. A compact structure with incorporated carry handles; a wear-proof permanent magnetic disc; major container in noise-proof and wear-proof synthetic material with central hub (to tumble necklaces) with lid; auxiliar container to achieve multiple processes, Simple installation, compact size and reduced energy consuption. Basic controls for easy use. A container that can be removed to load and unload parts. Tumblers are silent and vibration-free, which means they can be installed anywhere. Starter kit (included): 1 main container ø 375 mm; 3 containers ø 140 mm; 350 g. stainless steel needles, 0.3 mm each; 700 g. stainless steel needles, 0.5 mm each; 450 g. L/FOLS soap