Patented MaxClamp Technology provides the most secure attachment by holding the rack to the vehicle * Integrated AcuTight Tensioning Tool automatically indicates when the rack is safely and properly attached to vehicle * Exclusive EZAssemble design features 50 percent fewer parts and requires half the time to install than competitors * Lockable outer cover with bold, contemporary styling hides and protects the foot while blending flawlessly with any roofline * Locks to roof with Thule one key system (available separately) * Assuring the safest and most consistent installation * With 12 percent greater force than competitors