Light Arm Receiver for Aft Angled MountsThe Light Arm Receiver secures a Light Arm to the mounting plate on Edson Vision Series Aft Angle Mounts. Edson's Light Arm Receivers require an Edson Mounting Plate and an Edson Vision Series Mount.Specifications:Mounting Plates are required to complete an Edson Vision Series Mounting System. Base mounts sold separately - cis2:mm5mnJlm -Specifications: Type: Light/GPS Brackets; Box Dimensions: 3"H x 6"W x 9"L WT: 0.3 lbs; UPC: 796744686302;