They are available manual or battery powered & 680 or 540mm widths. The 540mm wide units are ideal for lifting narrow paper skids in the printing industry & can be used together with our “U” type scissor lift tables to lift skids to an ergonomic height, again in the printing industry. There is an Auto Levelling version of the MER540E. With a photo eye that lowers/raises automatically as the product is removed or stacked. Code MER540A