This adapter plate has a standard 4-hole AMPS pattern on one end that will attach to many VSM Mounts from companies like Brodit, Pro.fit and Panavise. This mount can also be screwed or bolted onto any flat surface like a dashboard. This package comes with the EXT-01 extension plate which made of light weight aluminum. It has our LM-1201 mic holder attached. It also comes with a 1/4 X 20 stud that can be threaded into your Icom bracket. Please note you will need the Icom remote head bracket for this mount to work for you. If you have an IC-706 you will need the MB-63, The IC-7000 you will need the MB-105, ID-4100 you will need the MB-8. If you have a IC-2820 or ID-880 the remote head bracket is included with those radios.