... iron,steel,aluminum. Metal shredder GL61250 DescriptionAutomatic control by microcomputer (PC), with functions of start, stop, reverse, overload automatic reverse, feature return ... . Suitable for crushing the big solid material like television, washing machine, shell of refrigerator, big size pipe, pipe fittings, forklift ... of the Speed Reducer, big torque in low speed. Metal Shredder Machine/Heavy Duty ...