RAM Magnetic Round Base with 1.5" Ball

Features: Round flat 2.5" diameter AMPS base with 1.5" ball and triple magnetic base adapter Magnetic base adapter contains 3 strong rare earth magnets that hold firm to ferrous metals Composite adapter conceals the magnets and designed to prevent scratching the mounting surface Holds up to 4 lbs. Made in the USA   Included Hardware: (3) #6-32 x 1/2" Machine Screws (3) #6-32 Nut Inserts   Brand: RAM Mounts Part number: RAM-202-339U Warranty: Manufacturer's lifetime warranty