Yakima Control Tower Tracks with PlusNuts (54-Inch) 54" length compatible with Control Towers and LandingPad 1 PlusNut hardware included to install your rooftop car rack system directly to a vehicle roof Available in 42" (8001126) and 54" (8001127) lengths with Plusnuts and in 54" (8001138) and 60" (8001135) with cap nuts For custom fit info, contact your local Yakima dealer or give us a call Love it 'Till You Leave It Limited Lifetime Warranty.