Desk system designed for facilities, specifically for partition walls and cubicles. Fits over panel walls ranging in height from 54" to 72" and up to 4" thick. Expands up to 60 viewing sides by adding up to two Durable 535900. Glare-free, polypropylene sleeves with rugged frames for heavy use. Includes metal panel frame, metal sleeve bracket, 10 sleeves and 10 snap-on tabs.