The RAM-B-400-C-UN10 Tough-Claw RAM Mount is a Marine Grade Stainless Steel/High Strength Composite Mount with a Universal Quick Release Clamp Base, Long Socket Arm, and RAM Universal X-Grip IV cradle for large phones and phablets. The mount is designed with a RAM 1 inch diameter patented rubber ball and socket system that has adjustment point at the cradle and base. The 1.0 inch diameter B size ball and socket system give the mount an approximate holding weight of up to 5 lbs. With a twist of the arm knob, you can move the Universal X-Grip IV mount to your optimum viewing position.