The CMMT45305 230 PC. Versastack 3-Drawer Mechanics toolset is fully compatible and can be stacked on or under other Versastack components. The Craftsman Versastack system is a flexible platform that allows for many different combinations of storage solutions based on the user needs. Featuring an easy use drawer lock dial， drawers lock in place when not in use to prevent contents from falling out. Drawers open with one hand and can nest on top of the box for easy access and temporary storage. Made to tackle any task， this set is filled with an assortment of 230 mechanics tools. The perfect assortment for a semi-pro， automotive enthusiast & do-it-yourselfer. Nothing beats having the right tools for the job， paired with the right storage solution to keep your tools organized.