Roll N Lock M-Series XT Locking Retractable Truck Bed Cover for 14-18 Chevy Silverado/GMC Sierra 1500 5' 9" Bed Model 220M-XT 7 Gallon The doors featur e aircraft-grade

The doors featur e aircraft-grade stainless steel cables

3500 and 3500 HD (see application information to verify vehicle fitment)

meaning you'll never h ave to worry about your bed cover once you have it installed

The 1/4 in (6mm) diameter shackle is 13/16 in (21mm) long and made of hardened steel

A corrosion resistant black powder-coated finish provides the box protection and style

Roll N Lock M-Series XT Locking Retractable Truck Bed Cover for 14-18 Chevy Silverado/GMC Sierra 1500 5' 9" Bed Model 220M-XT 7 Gallon The doors featur e aircraft-gradeRoll N Lock M Series XT Locking Retractable Truck Bed Cover for 14 18 Chevy Silverado GMC Sierra 1500 5' 9" Bed Model 220M XT The Roll N Lock M SERIES XT combines the M Series retractable truck bed cover with our T slot integrated MaxTrak System that allows for unique customization to your truck bed to meet your individual needs. The Roll N Lock M XT is a secure, robust vinyl over aluminum hybrid cover design dedicated to delivering four season