Manual Stackers or Pallet Stackers are lifting equipment which commonly used in a warehouse or factory setting for Material handling. A stacker is a large machine used in bulk material handling. A walkie stacker or pedestrian walk-behind stacker is a walk behind pallet truck with a mast for lifting pallets to heights. A pallet or 'walkie' stacker is a tool designed to help you and your employees make materials handling easier. A pallet stacker uses motors and hydraulics to help product distribution by allowing its users to lift, handle, and transport palleted materials with ease.