Quickly convert the Universal Grinder into a magnetic tumbler for cleaning up castings and removing rough casting marks in jewelry pieces. Spinning action of fine rust-free steel pins in water prepares the silver or gold piece for the final polish. Magnetic tumbler cleans up hard-to-reach areas or delicate castings. Maximum capacity of tumbler cylinder is 70 grams of jewelry pieces or rings, etc. The Magnetic Tumbler Add-On comes complete with adjustable table, magnetic disc assembly and hardware to assemble to the Universal Grinder, one tumbler bowl and rust-free metal tumbling pins.
