What is difference between between "inboard and outboard" slide out arms.
Lippert 143710 Inner Slide Out Arm Inboard 2.5 x 2.5 Tubing
I have Montana 5th Wheel (3400 RL). What is overall length of 045-143707 and 045-143710. Need to replace slide out arm on front end of main room slide out, which one do I order?
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