The Vortex RL110 is a Rhino-Rack proven product engineered to fit perfectly in the protruding side gutters of your vehicle's roof. This design feature enables you to easily clamp the RL110 into place before hitting the road and, if desired, just as simply remove the roof system once the journey is complete. The strength of the RL110's Leg Clamp is proven through a Lifetime Warranty and heavy off-road Australian testing. With Rhino-Rack's most accessory compatible Vortex Crossbar atop the RL110 will facilitate any adventure or hobby your inner explorer demands.