The Ryobi Link Rolling Tool Box features plenty of storage for bits and accessories, and the top integrates a Lego-like surface to solidly connect additional boxes onto this rolling storage unit.

Ryobi Link Mobile Storage starts with the Rolling Tool Box, which you can purchase by itself for $90. However, you can opt to buy a system that comes with more toolboxes or a tool crate.

Best Large-Capacity Option: Craftsman 50-gallon Black Plastic Rolling Tool Box Best Value: Craftsmen 2000 Series Steel Rolling Tool Cabinet What to Consider Capacity ...