DEWALT DWST08201 Tough System Case, Small Structural foam box for robust and durable structure Removable 2 size cups for small parts organization and inner lid organizers for drills & bits Side latches allow stacking modules one on top of the other Side handles enable carrying or assembling products on ToughSystem metal Carrier IP65 Integrated water seal for protection of content from the environment and anti-rust metal latches Durable 4mm thick structural foam box wall gives robust structure to the stand alone units Integrated water seal in every unit for protection of contents and long life for your equipment Metal carrier with adjustable foldable brackets allow tailored configuration Central locking mechanism secures the box to the frame Limited lifetime warranty