Fits any 2Post, 4Post rack - Fits square, round, threaded holes - 24" shelf - adjustable mounting from 11 - 30" (279 - 762 mm) - 2Post flush or center mount Fixed shelf for any equipment - Capacity: 100 lbs (45.36 kgs) - Shelf depth: 24" (610 mm) - Ideal for tower, printer, desktop - Steel shelf construction - Includes anti-slip mat This rack shelf is compatible with 19" server racks from manufacturers such as Dell, HP and IBM. This rack shelf can be installed into racks with square, round or threaded holes. Rack mount equipment weighing up to 100 lbs can be installed using this rack shelf. The rack shelf is 24" deep and can be installed in server racks with installation depths up to 30" and in multiple configurations.