RAM-B-247U RAM Square Post Clamp Base for Posts 1.75" - Suction Cup Mounts To see if the RAM-B-309-1CHU

To see if the RAM-B-309-1CHU base will mount to

to your system when compared to the standard knob included

Safely concealing a strap clamp

and custom high strength composite cradle for the Garmin Rino 600 series

and those are

RAM-B-247U RAM Square Post Clamp Base for Posts 1.75" - Suction Cup Mounts To see if the RAM-B-309-1CHUThis 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. FEATURES Clamping base ideal for square posts from 1. 75" 4" in width; adjustable and easily removable