Middle Atlantic RK12 The Middle Atlantic RK/ BRK Series Laminate Rack RK12 is a a great choice for functionality and good looks on a budget. Made from 5/8 inches furniture grade MDF board and sporting a high-quality, black, woodgrain, laminate finish, this rack has been built for solid performance without comprising aesthetics. The rack is shipped knocked down for additional savings on delivery, but can easily be assembled with an included hex key and hardware. This model is 16 inches deep with pre-installed, front, 11-gauge steel rackrails with tapped 10-32 holes featuring universal EIA spacing. Black plastic screw caps snap into place to cover the assembly hardware. This rack is rated to hold up to 200 lb. of equipment with a rack capacity of 12U. A wide variety of optional, add-on hardware can enhance the functionality of this rack and meet your exact needs: casters, rear rackrails, glass door, and shelf mounts