The Channel Master CM 3099 J-Mount is a great mounting solution for select Channel Master antennas and other mounting applications. The J-Mount is convenient because it acts as mount and mast resulting in a quick and simple installation. The J-Mount is compatible with Channel Master antenna models CM 2016, CM 3010, CM 3000A and CM 4221HD. You can mount the J-Mount on a wall, eave or roof. 
• Universal J mount
• Wall, Roof or eave mounting options
• 1.66 outer diameter pipe
• Mounting hardware included
• Compatible mount for models 2016, 3010, 3000A & 4221Hd antennas
• Adjustable tilt Compatible with 18" Satellite Dishes