This drafting version of the popular Salambro Jr. Chair is distinguishable mainly by its extra height. It comes complete with arm rests, pneumatic height adjustment from 24"" to 28"", and a 24"" diameter reinforced nylon base with hooded casters and a 21"" black foot ring. The extra-thick molded foam seat cushion is 18""w x 18""d x 3"" thick. The vented mesh backrest is 18"" wide, rises 18"" above the seat and is depth adjustable. A padded lumbar support can be adjusted up and down for comfort. This model has no tilt or rock function, but provides stable, ergonomic comfort that lends itself well to work at a drafting table. A Word from the Manufacturer Alvin and Company has been a leading source of drafting and drawing supplies since 1950, and we continue to meet the evolving needs of our customers with value and innovation. The ever-expanding range of Alvin products includes papercraft, fine arts, hobby and craft, drafting supplies, drafting tables, and more. We serve today"s needs -and tomorrow"s- for graphic arts, drafting, and fine arts products. Dedicated to the pursuit of excellence in all aspects of our business, we rely on our employees to create and develop opportunities that set us apart from the competition. * Ideal drafting table height * Pneumatic height adjustment from 24"" to 28"" * Molded foam seat with classic black upholstery * Vented mesh backrest with adjustable, padded lumbar support * Black foot ring for enhanced comfort * Hooded, smooth-rolling caster wheels * Seat measure 18L x 18W x 3H inches * Backrest measures 18L x 18W inches with adjustable depth