TAC 2014-2017 Chevy Silverado/GMC Sierra 1500/2500 Crew Cab (1500) 5.8' (69.6 inch) Roll Up Tonneau Cover | Bed Cover Attention:Please check with dealer to confirm the right size of your truck's bed before ordering. Easy No-Drilling installation. DIY instruction included. (It will work with the Under-the-Bedrail type of bed liner without modification. If you had an Over-the-Bedrail type of liner then you will need to cut small holes in the liner to fasten the clamps to your truck bed.) All mounting hardware included in original package. Low profile design that results in average 12% gas savings and full access to stake holes for ladder racks or side rails or tie downs. Made of marine grade 24oz Dual Coated Vinyl with tough aluminum powder coated frame which all meet the highest standard in the industry. Patented clamping system for securing your cover and making the installation a snap. No-Hassle 10 year warranty! (We accept return if ordered wrong. Customer will assume the return shipping cost.) Fitment: 2014-2017 Chevy Silverado / GMC Sierra 1500/2500 Crew Cab (1500) 5.8' (69.6 inch)