This RAM® Track Mount for standard size phones (RAM-HOL-UN7B-C-354-TRA1U) is made up of a B size 1" ball molded to a high-strength composite base
This kit includes a C size RAM® diamond ball base with a universal hardware pack that accommodates the seat track on most major wheelchair brands
The RAM-B-149Z-2-AP9 consists of a steel strap base
The RAM-HOL-UN8B expands and contracts for perfect fit of most 7"-8" tablets
Optional backing plate not included
RAM® Tab-Lock™ Tablet Holder for Google Nexus 7 with Case Laptop This RAM® Track Mount forThe RAM HOL TAB16LU consists of a spring loaded back plate, locking mechanism and custom support cups for the Google Nexus 7 WITH HEAVY DUTY CASE. The spring loaded design 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