The Stanley FatMax FMST18001 18in Structural Foam Tool Box is another size option in the expansion of the successful Structural Foam line. This line offers combined Structural Foam toughness with very popular cantilever organization. The 18-inch box size appeals to both the Pro's and the DIY at home customer. This box offers time savings by increasing the visibility of the tools and easier access. It features a water seal (IP 53) to keep tools dry and protected and ball bearing slides on the cantilever shelves for smooth gliding. Overall box size of 17.9" x 12.1" x 9.2" for and easy, handy, on-the-go tool box.