The Solid Fold 2.0 Toolbox Tonneau by Extang provides the best in weather and UV protection while sill allowing for instant cargo access. It is designed for full size trucks with 6 1/2 and 8 bed lengths and will match up the most 18-20 in standard toolboxes. The Solid Fold 2.0 Toolbox Tonneau comes equipped with a mountain rail that permits quick installation along with a watertight seal up against the toolbox. It is made of heavy-duty automotive grade TPO skins with a Polypropylene core for the ultimate in dent resistance. The lightweight design and easy to use clamping system makes this tonneau cover our most versatile cover yet. Solid Fold 2.0 Tool Box Tonneau Cover - Black Textured Paint - For Use w/Existing Tool Box - Tool Box Not Included - 2022-2024 Toyota Tundra 6' 7" Bed with or without Deck Rail System Will fit with or without Deck Rail System 2022-2024 Toyota Tundra 78.7 Bed