Omnimed 307101 large acrylic workstation riser, 34″ w x 8″ d x 10″ h, clear large workstation risers are ergonomically designed and constructed of clear 0.5″ acrylic for strength and durability. These moveable shelves provide added work surface both on the shelf and underneath the riser. Units measure 10″ h x 34″ w x 8″ d.