The heavy-duty portable for rugged use. The ultimate heavy-duty easel. Great for demanding applications and rental situations. Constructed of Heliarc welded, square extruded aluminum tubing legs for strength and easy set up. Multi-use easel holds paper pads or single page materials such as charts and posters. Load paper pads in seconds with spring loaded pad clamp. Simply open, load and close. No knobs or screws to lose. Elastic pad retainer strip keeps paper pad in place during transport. Steel backboard with built-in full length marker tray doubles as a magnetic display. Attractive black enamel backboard with satin anodized aluminum legs and frame.