The RAM-B-138-AP8LU consists of (2 quantity) 2.5" diameter round bases with the universal AMPS hole pattern, double socket arm, locking knob and Latch-N-Lock&trade  model specific cradle for the Apple iPad 4, iPad 3, iPad 2 and iPad 1. The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The cradle includes a dial combination lock for security against theft, along with 4 mounting points with pre-drilled holes on the back. The locking knob attaches to the double socket arm, combining with the dial combination lock, creating the ultimate anti-theft mount for your iPad. 

Latch-N-Lock&trade  Cradle Features:
1. Easy access to electronic ports
2. Dial combination lock
3. (4 qty) mounting points with pre-drilled holes, including the universal AMPS hole pattern
4. Lifetime Warranty 

Material: 
High Strength Composite & Powder Coated Marine Grade Aluminum 

Ball Size: 
1" Rubber Ball "B" Size 

Note: 
The "U" in the part number reflects product packaged in poly bag.