Extang 44650 Original Trifecta Trifold Truck Bed Cover fits Chevy/GMC Silverado/Sierra (6 1/2 ft) 07-13, 2014-2500HD & 3500HD, works without track system Fits : 07-12 GM SILVERADO/SIERRA 6.5 FT Without Tracking System Tri-folding, soft Tonneau cover design Quick and easy install or removal, no tools required Strongest frame of any soft folding cover, yet lightweight Improves Gas Mileage Made in the USA