The Equity, model 4240, is a bi-level computer work center and height adjustable work table designed for use by individuals who use wheelchairs in schools, colleges, and other multi-user environments. The height adjustment, which is accomplished with a retractable hand crank, provides access for individuals who stand or use standing aids while working. The worksurface/ keyboard level and the upper monitor level are independently height adjustable. The standard table has a laminate tops, anodized aluminum pedestal, and steel feet. OPTIONS: Solid wood veneers, PVC vinyl edge treatments, casters, plastic glides/levelers. DIMENSIONS: The unit fits standard 42-inch corners. The height adjusts from 24 to 34 inches. COLOR: The laminate surface is available in amber maple, golden oak, and dove grey. The solid wood veneer is available in oak, maple, and cherry. WARRANTY: Two years.