The RAM® Twist-Lock™ Triple Suction Cup with double ball adapter consists of a 2.5" round ball base with a double 1" diameter B size RAM® ball adapter, and a triple suction cup base designed for the most rugged environments. With three 3.3" diameter suction cup bases at each end, this suction cup base can be attached to any non-porous surface, like a windshield, with confidence. Take advantage of the RAM® double ball adapter by attaching two device mounts to one base up to 4 lbs total; ideal for vehicles such as side by sides, overland vehicles, golf carts and more. Customize your device mount with various B size socket arm lengths to achieve your ideal configuration on the road, or off-road.