You are buying a Single  3mm 3CR12 x 140mm wide , folded Black Powdercoated Roof rack End Plank - The sit just 3mm above the Tough touring Roof rails , hanging 20mm below the top line of the rail.
 
Use this plank  on the Rear or Front End of a Tough Touring Roof rails /Rack when lifting off the tent. 
The End Planks  have the same torsional stiffness as the centre  planks - however they are double the width and weight to handle the loads of Pole less awnings (Which mount to each end)  please specify what Length you require in Custom info section below...
These planks Readily accept our Awning to RACK BRACKETS and are pre drilled for easy fitment. 
The Centre Planks Can also be purchased here on this store - 
The  END Planks come in 1350,  1450, 1550 and 1680 mm  sizes - EG... If your running a roof top tent that is 1350 wide, and you wish to run the awning independently on your rack - purchase the 1350 Centre rack planks and you would run 1450 END planks. 
 
More information on mounting awnings directly to tent on our "AWNING TO TENT" Brackets section in Fitting kits on our site - 
More information on Mounting your Pole Less wing awning directly to the rack Stand Alone in our "Awning to RACK" brackets section in Fitting Kits Page.