Check the listing for details. RAM Drill Down Mount & Backing Plate for 8" Tablets with Cases RAM-B-101B-TAB12U. Color: Black, Condition: New. Listed at 70.99 USD. Features: ---Standard double socket arm - overall length: 3.69", socket-to-socket length: 3" ---Two 2.5" diameter round bases - each with 1" ball & AMPS hole pattern, one connects to the cradle ---Steel 3 x 3 backer plate with AMPS hole pattern and 10-24 threaded holes - Outer holes have 1.5” x 2” hole pattern ---Backer plate includes stainless steel and zinc coated hardware ---Tab-Tite spring loaded cradle - provides secure support for your tablet and enables quick and easy release ---Support cups fit tablets of various sizes even with cases* ---Designed to allow full use of all features and access to all ports ---Constructed of powder coated marine grade aluminum(mount), steel(backer plate) and high strength composite(cradle) ---Holds up to 2 lbs. ---Made in the USA Fits any tablet within the dimensions below.