This is the Shark Shield Surfboard Mounting Kit for Shark Repellent Unit Features: The mounting plate is easy to attach Can be integrated into the grip on your board Can be easily switched depending on the board you want to use The Shark Shield SURF7 comes standard with a mounting plate, but what if you need is an additional plate for another surfboard. So no matter what the conditions, you have the freedom to choose between your boards and still get the protection you need out there in the waves.