Extang Endure ALX - 05-21 Frontier 4'11" w/ Factory Bed Rail Caps Model 80985 AddOn_DeeZeeTak_wPump 12 Gauge Steel construction

12 Gauge Steel construction

Waterproof and dust proof IP67 construction

Boxes feature a locking

2-1/2-Inch Shank

Extang Endure ALX - 05-21 Frontier 4'11" w/ Factory Bed Rail Caps Model 80985 AddOn_DeeZeeTak_wPump 12 Gauge Steel constructionExtang Endure ALX 05 21 Frontier 4'11" w Factory Bed Rail Caps Model 80985 From tireless engineering and a relentless pursuit for perfection comes a low profile bed cover designed to function like no other the Endure ALX from RealTruck. With a flush mounted design, the Endure ALX creates a seamless, polished exterior appearance when closed while delivering highly functional full bed access when open. The Endure ALX features four patented EnduraShield