RAM X-Grip IIPart #: RAM-HOL-UN8BU Sometimes, its all about the design. If you are looking for a compact mount for your tablet without that cookie cutter shape, you've found it. The RAM X-Grip II has a clean and clever four leg design that sports great holding power without hiding your tablet behind foam pads and plastic. The perfect compliment to the modern sleek interior of today's vehicles, the RAM X-Grip II is the tablet holder evolved. Compatible and interchangeable with a wide range of popular RAM Mounting products, this elegant holder is ready to compliment your tablet and become the most useful accessory in your vehicle. The RAM-HOL-UN8BU consists of a spring loaded holder and 1" rubber ball connected to the back of the base. Included are extra easy access grip knobs, located on the back of the holder for quick release of your tablet. The RAM-HOL-UN8BU expands and contracts for perfect fit of most 7" tablets. Compatible Devices: Amazon Kindle Amazon Kindle Fire Archos 7 Asus EEE Pad Memo Barnes & Noble NOOKcolor BlackBerry PlayBook Dell Streak 7 HTC Flyer Panasonic Toughpad JT-B1 Samsung Galaxy Tab (7" version) All devices that maintain the following dimensions below: Holder Dimensions: Minimum Width = 2.25"(Devices 2.25" in width must be a minimum of 7" in height to fit) Maximum Width = 5.75" Depth = 0.875" Features: Spring loaded holder expands and contracts for perfect fit of your tablet Rubber coated tips will hold your tablet firm and stable Versatility of holder allows for attachment to many RAM-to-RAM ball and 1" socket mounts Socket technology allows for multiple adjustment angles and articulation of your tablet Easy access grip knobs, located on the back of the holder for quick release of your tabletMaterial: High Strength Composite with Rubber Tips Ball Size: 1" Rubber Ball "B" Size | RAM Mount X-Grip Universal Tablet Holder w/ 1" Ball