DEWALT ToughSystem 2.0 Deep Foam Insert gives you the ability to customize and arrange your tools exactly how you want. Designed for a fit, this foam insert is compatible with the ToughSystem 2.0 Toolbox, Large Toolbox, and Extra Large Toolbox. It features pre-marked laser cuts, allowing you to easily trim the foam to fit into the ToughSystem 2.0 Deep Tray. Additionally, accessorized foam layers can be stacked inside the toolboxes for optimal organization and customization, making your tool storage both efficient and personalized. Model Number: DWST08121