Will-Burt's Standard Duty Masts are pneumatic and used to support a variety of lightweight antennas at up to 34 ft (10.3 m).The mast is a series of graduated extruded aluminum tubes that nest one inside another.

• Guy lines are not needed (available for precision applications).
• Rugged construction of high strength heat-treated aluminum tubes and collars with low friction synthetic bearings for a long, dependable life.
• Two full-length external keys on mast sections with matching machined key ways on collars to maintain directional azimuth.
• Each tube and collar is protected by low friction synthetic bearings for smooth operation and long life.
• All exterior aluminum surfaces are anodized and sealed for long life and all fasteners are stainless steel for corrosion resistance.