Designed to fit Humminbird 300-700 Units, and Lowrance Mark and Elite Models, (except Elite7)
- JR-400HLP-T comes with our JR-400 Swivel Mount Top already installed with a HLP Plate and Hardware
- Must Use JR-300B Push Button Style Mounting Base (sold separately)
- Simply locate your Unit’s base onto the plate, and drill hole pattern accordingly.
- Smaller Humminbird Models like PirranahMAX, can be drilled & reverse bolted from underside to match Electronic hole pattern. (Nuts and washers exposed