The RAM-B-166-TAB3 consists of a 3.25″ twist lock suction cup base, double socket arm, diamond base adapter and Tab-Tite™ universal clamping cradle. The suction cup base is designed to have a strong hold on glass and non-porous plastic surfaces, including RAM adhesive disks. The mount is designed with a RAM 1″ diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The spring loaded Tab-Tite™ cradle makes it easy to load and unload your tablet, along with keeping it secure while on the go. Interchangeable cup ends are designed to optimize the functionality of your tablet, allowing access to audio jacks, usb, power, and other ports, your tablet can be used just as it was intended. The included backplate is interchangeable with various size support cups, making it compatible with numerous tablet models. New detachable support cups are the only components needed for purchase, attach to the backplate for support of your new tablet. Compatible Devices (WITH OR WITHOUT LIGHT DUTY CASE): Apple iPad 4 (With Lightning Connector) Apple iPad 3 Apple iPad 2 Apple iPad 1 HP TouchPad Tab-Tite™ Cradle Dimensions: Height: 8.5″ minimum to 10.75″ maximum Width: Maximum to 7.75″ Edge Depth: Maximum to 0.56″ Tab-Tite™ Cradle Features: 1. Support cups contain open slots to accommodate for tablets of various sizes 2. Back plate can support various size support cups 3. Spring loaded tension provides secure support for your tablet 4. Spring loaded cradle allows for quick release of your tablet 5. High strength materials maximize longevity of cradle 6. Full access to all ports 7. Lifetime warranty Material: High Strength Composite & Powder Coated Marine Grade Aluminum Ball Size: 1″ Rubber Ball „B” Size Note: Part number reflects product packaged in clear clam shell for store shelf display. The RAM-B-166-TAB3 is not compatible with the Apple iPad (WITH LIFEPROOF nüüd CASE).