RAMA(R) Dashboard Mount with Backing Plate for 8 Tablets with CasesThis vehicle kit consists of a RAMA(R) Tab-Tite(TM) spring-loaded holder for 8 tablets with a case, medium B size double socket arm, two 2.5 diameter round bases that contain the universal AMPS hole pattern, a 3 x 3 backing plate, and mounting hardware. The mount is designed with a 1 diameter B size rubber ball and socket system that features adjustment points at both ends of the double socket arm, allowing for near-infinite adjustability for ideal viewing angles.Features:The spring-loaded holder secures most 8 tablets with a case; interchangeable end cups allow you to modify the holder when upgrading devicesIncludes 4-hole AMPS pattern ball adapter, B size medium length double socket arm, and backing plate kit for drill-down mounting; ball and socket technology allows for near-infinite adjustabilityMade of powder-coated, marine-grade aluminum and high-strength composites for durability and reliability in the most demanding environmentsBacked by a lifetime warrantySpecifications:HARDWARE INCLUDED: Assembly Hardware, (1) 3 x 3 Steel Backing Plate, (4) #10-24 x 1 Thread Locking Screws, (4) #10-24 Nylock NutsHOLDER DIMENSIONS: Height Range: 7.125 - 9.5, Width Range: 5.06 - 5.68, Depth Range: .13 - 1SOCKET-TO-SOCKET LENGTH: 3HOLE PATTERN: 4-Hole AMPS: 1.181 x 1.496, 3-Hole 120-Degree: 1.812 DiameterPLATE SIZE: 2.5 DiameterBALL/SOCKET SIZE: B Size (1)WEIGHT CAPACITY: Standard Use: 2 lbs, Heavy-Duty Use: 1 lbMATERIALS: Marine-grade aluminum, High strength composite, Powder coated steel