The LM-A-1 adapter converts any mount or pedestal with a 17mm ball to a 5mm stud making the mount compatible with the Yaesu FTM-100 FTM-300 FTM-350 FTM-400 FT-891 Control heads.

This mount is compatible with the LM-105, LM-200, LM-505, LM-803, LM-1001, LM-Edge mounts.