Rock solid and beautiful these classic easels will stand up to constant use and are the ones we recommend for institutional purchasing. Made of chromium plated and varnished black or white steel with 1-1/8" diameter chrome post uprights that anchor into 19-1/2" deepx21-1/2" wide steel bases with foot levelers. Easy action knobs allow you to adjust and lock in the top and bottom canvas holders and the back angle adjustment legs. With center extension post allowing a compact height of only 61" high and fully extended height of 87". Accepts canvases up to 63" high and any reasonable width. Weighs a robust 29.7lbs for rigidity. Outfit with optional rotating 19-5/8" x 12" palette shelf (as shown) which fits into base at a 25-3/4" height.