Universal X-Grip® Holder w/1" Ball BaseThe RAM-B-202-UN9U consists of a composite spring loaded cradle, expandable grip arms, additional bottom support keepers and 1" ball base adapter. Included are extra easy access grip knobs, located on the back of the cradle for quick release of your tablet. The RAM-B-202-UN9U expands and contracts for perfect fit of most 10" tablets with or without sleeves, as well as some smaller tablets. The included 1" ball base includes hardware to attach directly to the back of the cradle and is compatible with all “B” size double socket arms. Please verify dimensions of your tablet below for compatibility with the X-Grip®. The X-Grip® holder is compatible with tablets devices that will fit the dimensions listed below. It is important to verify the dimensions of your tablet with a case/sleeve/skin when determining the overall size. Cradle Dimensions: Minimum Width = 6.25"Maximum Width = 8.1"Depth = 0.875" Maximum Length (using additional supports) = 10.25" Features: Spring loaded cradle expands and contracts for perfect fit of your tablet Rubber coated tips will hold your tablet firm and stable Versatility of cradle allows for attachment to many 1" socket arms Socket technology allows for multiple adjustment angles and articulation of your tablet Easy access grip knobs, located on the back of the cradle for quick release of your tablet Multiple mounting access points on the back of the cradle Additional support keeper at the bottom of the cradle Full access to all ports Lifetime warrantyMade in the U.S.A. Material: Marine Grade Stainless Steel Components & High Strength Composite