Freightliner or Other Mobile/Base Mounting Bracket. Accepts a SM1 or SM-1 or other type mount (not included) on one end for your antenna (approx 1/2" Hole). Has a mounting hole on the other end (approx 3/8" Hole). Overall length about 3-5/16" end to end. About 1" wide and has a nice heavy thickness of about .11" thick. These are great for use in both a mobile or base mounting option. Stainless steel.
Workman Electronic Products