About RAM® Mounts

Size Guide Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

 

 

 

Ball Sizes Short Arm Medium Arm Long Arm
A Size Overall Length N/A 2.11" 3.57"
Socket-to-Socket Length N/A 1.67" 3.12"
B Size Overall Length 2.42" 3.73" 6.00"
Socket-to-Socket Length 1.75" 3.00" 5.31"
C Size Overall Length 3.56" 5.69" 9.13"
Socket-to-Socket Length 2.50" 4.66" 8.00"
D Size Overall Length 5.10" 8.44" 12.98"
Socket-to-Socket Length 3.60" 6.88" 11.41"
E Size Overall Length 7.31" 12.63" N/A
Socket-to-Socket Length 4.98" 9.88" N/A