Computer Security Cabinet includes 2” grommet in bottom shelf for easy wire management. Monitor shelf wire way in back of shelf for easy access of wiring between upper and lower portions of cabinet. Cabinet has a 150 pound capacity. The keyboard shelf is 20" X 15 1/2" X 2". Lower locking compartment includes 1 adjustable shelf which adjusts on 1" centers. Flat panel kit is included with this product.