ROLLUP Tonneau Cover, with 2 side rails, 2 end rails, 3 cross braces, 6 rail cls, allen wrench and snap fastners. Fits an 08 Silverado short box, and others. The rails are 76 for the long ones, and 64 for the short ones. Cost new is $180-$200. Lund. Lundinternational.com Its yours for only $75.00. Please call 7one5-272-one770 as I do not respond to emails. thanks G.