These 1U Universal Rackmount keyboard drawer is designed according to EIA-RS-310C specifications for standard 19" rackmount cabinet. The 1U keyboard drawer style models allow for space conservation and system security while panel mount model offers immediate system access. You could put any of your preferred keyboard dimension upto into this IU Keyboard drawer in your industrial working environment for space saving or security protection as soon as your keyboard dimension is under 15.75" x 9.25" x 1.18"