The following files illustrate the Class 2 Carpet Pole/Rug Rams including mounting dimensions, lost load, capacities, effective thickness and anything else you wanted to know. Very useful in getting updated data plate for your forklift.
http://forklift-accessories.indoff.com/media/FRK/CR-108_class_2.pdf
http://forklift-accessories.indoff.com/media/FRK/CR-120_class_2.pdf
http://forklift-accessories.indoff.com/media/FRK/CR-144_class_2.pdf