The Inline Fabrication Benchtop Series 7/8" Die Storage Rack features 18 holes to gather up and keep all your dies in one place. Heavy gauge steel with sleek black powdercoating to match other InLine Fabrication accessories. It is expandable as you can bolt a few together if you wish. You can bolt various racks, toolhead docks and trays to it as well! Racks measure 9 3/4" wide x 5 1/4" deep by 2 3/4" Tall InLine Fab products ( Not included ) that can be attached to it are:Parts trayCase gauge trayShellholder/Collet rackDillon case feeder plate rackAll Inline Fabrication7/8 and 1 3/16 Die racksToolhead docks. Dillon, RCBS, Redding, Lyman, Area 419Drill 2 holes in your Dillon tool caddy and attach it to the Benchtop die rackAll kinds of customizing options!Can also be mounted on the wall to the InLine Rails