35601 BAK BAKFlip HD Tonneau Cover fits: 2006-2013 Honda Ridgeline. 35601 BAK BAKFlip HD Tonneau Cover Features - All-metal protection for your gear without sacrificing bed access. The BAKFlip HD has tongue and groove seals that keep water and thieves out of your bed. Locking arms secure the cover against your rear window for total bed access. Simple and fast installation and removal means that you can take the whole cover off if necessary. Aluminum panels with a 5/8 thick EPS core can handle up to 400lbs of evenly distributed weight. BAK Bakflip HD Tonneau Cover, Bakflip HD Truck Bed Cover - Videos, Installations & Reviews. BAK 35601.