A tool cart having a frame, a lifting device for lifting the frame, a locking device to lock the tool cart horizontally relative to a work station or a packaging machine (collectively referred to below as the “packaging machine”), and a stop element that may engage with an underside of the packaging machine when lifted. The lifting device and locking device operate independently. A method for transferring a tool component including one or more of the steps of: aligning the tool cart relative to the packaging machine; locking the tool cart in position relative to the packaging machine; lifting a frame of the tool cart by way of a lifting device until the stop element engages an underside of the packaging machine; and transferring the tool component between the tool cart and the packaging machine may be included.