The unit is used after picking of hardware items, automobile parts needless, pins, spokes, rivets, screws, nuts, washers, etc. The unit is heavy duty horizontal placed polish machine made out of M.S sheet duly fitted with 440volt AC motor with V-belt driven for 35-40 RPM of the barrel. The unit is fitted with a ¼ HP vertical pump and heater to heat up the caustic base solution