1U Single Space Black Heavy Duty Security Flanged Blank Rack Case Panel. SEC security covers prevent tampering with equipment; 16-gauge perforated steel; one piece construction avoids use of welded on ears; 1" offset to clear knobs; neoprene gasket edges the steel preventing gear from being scratched. Notches for screws allow removal of cover without removing gear. Available in 1, 2 and 3 space versions. Black Enamel finish. Please note that the SEC series allows the user an almost perfect view of the secured equipment through 5/32" holes.