Features:

• Exceptional performance and quality.
• 180 degree adjustable reinforced stainless ball.
• Professional quality Cycolac bases for greatest mechanical stability.
• Exclusive "C" backup plate allows external installation.
• Applicable with all Hustler and other 3/8" x 24 thread antennas.
• 1.10 LB
  
• 2" Diameter stainless ball

What is in the package:

• Stainless steel ball mount
• Heavy duty gasket
• Mounting hardware