The full length blanking shade shall blank out as few as four rack units, or as many as 51 consecutive rack units. The upper housing of the full length blanking shade shall contain a rolled fabric material secured to a spring roller and be designed for installation in the upper rack units of the rack or cabinet. The bottom handle of the adjustable shade can then be secured to the appropriate rack unit using sliding latches to blank out the desired number of rack units. Hand tools shall not be required for installation.