FLEX STACK PACK™ Side Tool Rack Rails 2-Pack provides easy access to multiple tools, allowing you to quickly switch tools and power through your workday efficiently. These rails are crafted from lightweight cast aluminum and feature a slip-resistant design to securely hold your tools in place. They attach effortlessly to the aluminum corner protectors of your FLEX STACK PACK™ storage case, ing a heavy loading capacity that enhances your tool organization and accessibility. Model Number: FS1604-2