The RAM-149Z-HC1U consists of a zinc coated u-bolt base, double socket arm, 2.5" diameter round base and Rugged Handi-Case&trade . Included in this package is hardware that will accommodate rails from 0.50" to 1.25" in diameter. The base includes black cover caps to be placed over the exposed ends of the u-bolt. The included composite rail adapter can narrow the rail to a minimum width of 0.5". The mount is designed with a RAM 1.5" 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 RAM Handi-Case&trade   is capable of doing so many tasks it will astound you. When a brief case it too much but a notepad, is not enough, the Handi-Case&trade   is exactly what you need. Beyond just a writing surface, you get document storage, tool holder, pen and pencil storage, and of course, RAM's rugged construction. No matter where the job takes you, the RAM Handi-Case&trade  is ready to multi task. For any professional on the go this is the tool to keep you organized at home, at the office, or on the go regardless of what you ride, drive, or fly.

U-Bolt Dimensions:
Accommodates rails from 0.5" to 1.25" in diameter. 

Handi-Case&trade  Features:
1. Multiple mounting points on the top and bottom to attach any number of popular RAM rubber ball bases or mounting plates for unsurpassed versatility.
2. Two convenient mounting points on the top for a cell phone, GPS, or other small electronics mount.
3. Multiple punch outs on the sides and back, it is even possible to run power into or out of the RAM Handi-Case&trade .
4. Multiple storage spaces inside the case to hold documents, pens, nuts, bolts, etc...
5. Pockets for magnets that can be used to hold pens. 

Material: 
High Strength Composite and Powder Coated Marine Grade Aluminum

Ball Size: 
1.5" Rubber Ball Size 

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