The iBOLT Tabdock tablet holder is a replacement part or additional tablet holder for all iBOLT Mounts. Works with all industry standard 4 Prong connector adapters. STURDY- Has four points of contact holding on your phone and works with most cases including life proof and otter box cases. Holds 7 to 10 inch tablets. UNIVERSAL DESIGN - fits all Tablets 7-10 inch tablets in screen size. ( iPad , Nexus , Sony Xperia , Kindle , Samsung Galaxy Tab ). Tablet holder opens from 4 to 8 inch and will hold device and case combinations up to 8 inches wide WORKS WITH all Industry standard 4 Prong: Commonly used as an additional holding option for with iBOLT's IBBZ-33921 or IBBZ-33791 kits and other industry standard 4 Prong mounts / arms. Includes one iBOLT TabDock Tablet holder. All additional adapters/devices shown in images are not included with this product, and are only used to demonstrate the use of the product.