These types of Barrels are used for plating small parts where standard Barrels are not possible, and Tanks are also not practical. The Barrel is Octagonal in shape and of M.S. lined internally with rubber. It is rotatable and is fitted with a Geared Motor of A.C. Supply. These can be used for Copper, Brass, Cadmium, Zinc, Tin, Silver & Nickel Plating.