duchie...exactly as amxpress said. With the new 5th wheel designs, it is unlikely you will need it, but there may be that one time. Do you want to take that chance?? If you can afford it, it's best to get it. AT least a manual slider.
Ed and Sharon
2010 Wildcat 28RKBS
2011 Ford F-250 XLT, 6.7L PSD
Ride-Rite Airbags and Airlift wireless remote compressor...nice!
I thought I was wrong once, but I was wrong!