Universal fit for most motorcycles with standard 2 HOLE diamond 4-hole AMPS Pattern and/or 1/4-20 Camera Threaded device plate mounting pattern. Made of high-quality Metal Alloy with black finish 30x38 mm industry standard 4 hole pattern (=AMPS) that will work with all industry standard AMPS adapter plates and hole patterns that are compatible with GARMIN GPSmap 7x12, 7x10, 12x2, 7x08, 9x2, STRIKER 9, Echo Map Plus 6”-7”, 9” and LOWRANCE HDS 9, 12 fish finder/ marine electronic equipment. Easy to install with your existing compatible mounting solution No modification required for installation. Our Universal bracket Plate is made of high-quality Metal Alloy which is durable and heavy Duty. It is simple in design and has universal fitting design in mind such as AMPS hole Pattern and 1/4-20 camera threaded, and can be used for Marine GPS, Offroad GPS, Satellite Radio Mounting, CB HAM Radio Mounting and many many more. The plate is easy to addon to your existing AMPS mounting solution install and does not require any special tools.