The RAM Triple Magnetic Base Adapter mates to your RAM Double Ball Mount. Once attached, you have a mount that will hold firm to ferrous metals like nothing else. Support any number of items without having to drill any holes. Simply put this product near the mounting surface and feel it almost jump out of your hand. Containing 3 rare earth magnets, you can imagine just how strong this unique device is drawn to ferrous metals. The composite adapter designed to conceal the magnets is made of durable composite to prevent scratching the mounting surface. An ideal mounting solution for cell phones, iPads, drink cup holders, camera, handheld radios, and much more.