BAK BAKFlip MX4 (GEN 3) 20-26 Silverado/Sierra 2500HD/3500HD 8'2" Model 448134 13494 Vpack Gen2 CB/SB RKI Underbody Truck Box 18x18x18

RKI Underbody Truck Box 18x18x18 H-Series 14 Gauge Black Steel Model # H181818

The slide down system extends the ladder an extra two feet after the drop-down rotation

The 1702210 Buyers Underbody Box is one of the best underbody truck boxes for your money

The large area with pre-punched mounting holes makes it easy to mount work van accessories

Inside drawer dims: 11

BAK BAKFlip MX4 (GEN 3) 20-26 Silverado/Sierra 2500HD/3500HD 8'2" Model 448134 13494 Vpack Gen2 CB/SB RKI Underbody Truck Box 18x18x18BAK BAKFlip MX4 (GEN 3) 20 26 Silverado Sierra 2500HD 3500HD 8'2" Model 448134 The best selling truck bed cover in the world just got better. Introducing the new and improved RealTruck BAKFlip MX4 (GEN 3)an evolution of RealTruck's most popular tonneau cover. This next generation upgrade builds on everything truck owners already love about MX4, now enhanced with improved functionality, greater durability, and elevated security. The new and improved