RAM® Square Post Clamp Base for Posts 1.75" - 4" Wide - B Size RAM-101-VE1 The RAM double swing arm

The RAM double swing arm mount includes two 6" long bent swing arms mounted on a horizontal surface mounting base

RAM® mounting components are backed by a lifetime warranty

5" round bases that contain the universal AMPs hole pattern and 3

In addition

The RAM-B-149Z-237U consists of a zinc coated u-bolt base

RAM® Square Post Clamp Base for Posts 1.75" - 4" Wide - B Size RAM-101-VE1 The RAM double swing armThis RAM Square Post Clamp Base (RAM B 247U) is a clamp base with B size 1" rubber ball that will connect to square posts ranging from 1. 75" to 4" in width. Ideal for forklifts, the slotted holes on this base make this variation the most universal clamp base option; recommended for small devices such as phones, cameras, handheld PCs, and more.