The 4 post rack combines the stability of a cabinet with the accessibility of an open rack to deliver maximum flexibility. The 84 inch tall rack is 23 inches wide overall (with 19 inch standard EIA mount) and 42 inches deep, with adjustable mounting rails that have cage nut EIA universal mounting hole spacing, and printed numbering. A range of cable managers and accessories work with the rack. The rack is UL listed for 2,500 pounds and is made of welded steel. The rack is black. Includes: (16) 3/8-16 x 1" hex bolt, (16) 3/8" paint piercing grounding washer, (1) tube of anti-oxidizing paste, (25) 12-24 x .5" slotted pan head steel screw, (25) #12-24 cage nuts