RAM® Square Post Clamp Base for Posts 1.75" - 4" Wide - D Size HOOK2-4 Series The RAM-101U-B consists of a

The RAM-101U-B consists of a short double socket arm and two 2

5" rubber ball that will connect to rails up to 4" maximum in width

powder coated marine grade aluminum mount

medium length socket arm

Their incredible holding power is surprising when considering how most suction cups function

RAM® Square Post Clamp Base for Posts 1.75" - 4" Wide - D Size HOOK2-4 Series The RAM-101U-B consists of aThe RAM D 247U is a clamp base with 2. 25" 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 varation the most universal clamp base option; compatible with vehicle mount computers and rugged tablet PC's.