Adjustable Compartment Parts Storage Box, X-Large Klein Tools 54451 Movable dividers in this parts box allow compartment sections to be arranged and sized as desired Three partitions, running from front to back, divide the box into four equal 4-1/2'' (114 mm) x 12'' (305 mm) sections Nine straight metal dividers can be positioned anywhere between the partitions, in one-inch (25 mm) increments, to create the compartments desired Boxes feature strong, rigid, heavy-duty welded construction Full-length piano hinged covers are designed to stay open for ease of access