Flex FS1106 Stack Pack 2-Drawer Tool Box. Keep your trailer, garage, or workshop organized with the FLEX STACK PACKT 2-Drawer Tool Box. This two-drawer toolbox features auto-locking mechanisms that securely close and prevent drawers from opening during transport while durable rust-resistant rails ensure the drawers open and close smoothly over a long life. The oversize lower drawer is ideal for larger tools like circular saws and the toolbox comes with removable dividers so you can organize a variety of hardware or supplies. Quick-connect latches offer fast and effortless connectivity so you can quickly stack and unstack toolboxes for a fully customized STACK PACKT configuration. An onboard security bar allows you to lock the drawers to prevent theft and stows between use. Why Shop With Us? WORLD CLASS CUSTOMER SERVICE. Our support agents are here to assist you, Monday through Friday. Photo evidence of damages may be required.