The Heavy Duty RFMS roof rack system permanently attaches to your roof via rivets. Its high profile design is ideal for highly curved roofs or when the extra height is required to level up multiple bars. Utilizing our tough Heavy Duty bars, this system offers you compatibility with a wide selection of Rhino-Rack accessories. So whether you're a traveler, cyclist, surfer or contractor - the Heavy Duty RFMS roof rack system has you covered.