Unlock custom mounting possibilities with the Yakima Hd Track 72-Inch Car Roof Top Rack Mounting System with CapNuts. These heavy-duty tracks provide the backbone for your rooftop setup, seamlessly integrating with SkyLine towers, OverHaul Hd, or OutPost Hd systems for a configuration tailored to your needs.Perfect for adventurers, these tracks fit various vehicles, including fiberglass, roll-up tonneau covers, truck canopies, bed rails, and gear trailers. The end caps simplify T-slot hardware installation, eliminating the need to remove them, saving time, and enhancing convenience.With a durable construction and load capacity up to 500 pounds (depending on system and application), this rack system can handle bikes, kayaks, rooftop tents, and more. Compatible with Yakima accessories like the Landing Pad 26 and BedTrack Kit 2, the Hd Track 72-Inch Rack Mounting System provides everything needed for a versatile, robust roof rack.