The RAM-B-259U is designed to mount to the lip edge of a flat surface up to 5/8" thick. Popular mounting edges include a car side window edge lip or glare shield on an airplane. The base has two composite bolts that, when tightened, clamp the base to the lip surface. A RAM 1" diameter rubber ball is connected to the base allowing you to connect a RAM 1" diamter arm socket and connection plates to create the perfect mount for your application.

Mount will attach to flat surfaces with the following dimensions:
Min 4.4mm / 0.17"
Max 28.0mm / 1.12" 

Material  
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.