Metal desk system designed especially for facilities. Glare-free, polypropylene sleeves with rugged frames for heavy use. Letter-size inserts easily slide into sleeves. Two viewing angles to choose from - 30 degrees or 60 degrees. Includes metal desk stand, metal sleeve bracket, sleeves and snap-on tabs. Expandable up to 60 views by adding item Durable 535900, sold separately. Bact-O-Clean® Sleeves and Sleeve Frames—EPA-registered antimicrobial additive protects surface. Material(s): Metal; Sheet Capacity: 20; Number of Compartments: 10; Color(s): Gray.