The Workman FBM-1 is a durable flat aluminum under-bumper antenna mount designed for mobile or base installations. Constructed from high-quality aluminum, it measures approximately 6 inches long, 1 inch wide, and 0.184 inches thick, providing solid support for your antenna setup. The mount includes an SM1 SO-239 to 3/8-24 antenna stud, accommodating standard 3/8-24 thread antennas for versatile compatibility across CB and radio systems.
This mount features a standard 1/2-inch hole and comes with a mounting bolt and nut for secure installation. Its aluminum construction offers strength while remaining lightweight, making it suitable for bumper mounting or other mounting configurations. With an overall length of about 5-7/8 inches and a heavy 0.20-inch thickness, the Workman FBM-1 ensures stability and reliability in both mobile and stationary radio communication setups.