Rhino-Rack Vortex Locking End Caps - Set of 4The Vortex Locking End Caps are designed to replace the standard end caps of the Rhino Rack Vortex crossbars. The end caps come with locks to prevent theft of the accessories mounted to the channel of your roof rack. The VA LEC4 comes with 4 end caps and 2 keys. Prevents Theft Of Accessories Mounted To Crossbar C Channel Direct Replacement For Rhino Vortex End Caps Includesded Are 4 End Caps With Locks Includesded is 2 Keys 5 Year Warranty Simple To