Edson Vision Series Light Arm Receiver f-Vertical Mounts 
Light Arm Receiver f/Vertical Mounts
Edson's 68790 Light Arm Receiver secures a Light Arm to the mounting plate on Edson Vision Series Vertical Mounts. Edson's Light Arm Receivers require an Edson Mounting Plate and an Edson Vision Series Mount.
Base Mount and Mounting Plate sold separately.
Quick Guide (pdf)