Fully enclosed construction is of 16-gauge steel with a black semi-gloss finish. New 12" cabinet grade slides allow for full extension. Perfect for anything from pencils, papers and strings to cassettes, cds and tools. Installed lock is optional. Newly redesigned rackmount drawers now feature a laser cut knockout on the front panel for adding a key lock at any time, as well as a laser cut knockout in the rear for cable passage should you want to store an electronic device in the drawer. In addition, all drawers now feature a fully welded drawer body for maximum strength and stability.