The Black Diamond Modular Mobile Storage System is a versatile storage unit featuring 3 plastic storage pieces designed to streamline organization. Complete with a telescoping handle for mobility and integrated tie-down points for practicality, the storage system comes with interlocking side latches to securely hold the modules together, providing stability and preventing accidental separation during use. The 10 removable bins with dividers accommodate a wide range of parts and accessories while the interior organization tray enables you to keep your tools organized. The 7" all-terrain wheels enhance maneuverability, allowing you to easily move the Black Diamond Modular Mobile Storage System wherever you need to go. | Black Diamond 3-Piece Rolling Modular Tool Box Set