The Edge Tonneau Cover is differnt than other covers with its unique arched tailgate design, this gives the cover a distinct finished look. the cover is designed so that you can have full truck bed usage. The side rails mount on the inside of the bed which will allow you to use most bed rail accessories. Stake hold pockets are still accesable for maximum versatility. The adjustable tension control allows you to adjust the tension of the conver in seconds. This will give you a snug fit in any climate. This cover is easy to install and can be completed in less than 20 minutes and no drilling is required. Just use the included easy to attach clamps and the cover is ready to use. Simply open the tailgate and release the quick latch to open the cover. To close, rotate the cover into the latch assembly, press it closed and shut the tailgate. This cover features a 5 year warranty.