JOHNNY RAY ADAPTER PLATE FOR JR-400 SWIVEL MOUNT

Developed exclusively for the Push Button JR-400 Swivel Mount to fit Humminbird 300, 500 & 700 Series units and all Lowrance Mark 5 & Elite 5 models. The complete swivel mount package includes our JR-400 Swivel Mount and the HLP Plate pre-assembled. HLP Plate is extruded 6/6 nylon and is 3/8"" thick. Simply drill your electronic hold pattern into the plate.