Features adjustable elevation via a special hydraulic hand crank mechanism. Designed for use with oversize cases; Every facility should have at least one of these units available for these extreme situations. Top tray is permanently attached and fabricated from 12 gauge stainless steel. Base frame fabricated from 1.5in/3cm square, .12 tubing thickness, 304 stainless steel tubing. Carrier is designed with a 3in/7cm permanent slope.