strongUNV40304/strongBR/Universal 40304 Letter Size ClipboardsBR/High-capacity clip lets you get a grip on large stacks of paper. Durable construction. Holds Paper Size: 8 1/2 x 11 Clipboard Actual Size: 9w x 13h Clipboard Material: Hardboard.BR/BR/strongSAF5132/strongBR/Safco TaskMaster Hard Floor CastersBR/Shown with optional Hard Floor Casters, sold separately. Pneumatically adjusts 8quot; up or down while seated. Overall height adjusts 19quot; to 27quot;. Contoured, black polyurethane self-skinning foam seat and back wont crack or peel with wear. Large nylon reinforced base with 20quot; diameter chrome-plated adjustable footring and 2quot; high-impact nylon-reinforced glides. Backrest adjusts 3quot; in height and depth. Seat: 16-1/4w x 16-1/4d. Color: Black.