Add the SmarT-Slot™ Kit 6 to the SkyBox NX, GrandTour, and CBX Cargo Boxes for an even sleeker profile on T-Slot Crossbars. This easy-to-use hardware kit replaces the standard mounting hardware, and directly attaches to a T-slot channel on your crossbars. It works with all Yakima® T-slot crossbars as well as most other T-slot crossbars.

• T-Slot mounts for SkyBox NX, GrandTour and CBX Cargo Boxes
• ​Uses your box's existing removable Torque Knob for a simple worry free install
• Clean, low-profile crossbar connection
• Maintains an unobstructed flattened floor to provide more space for your gear
• Compatible with all Yakima® T-slot crossbars and most other T-slot crossbars.