Navepoint Fixed Rack Vented Server Shelf 1U 19" 4 post Rack Mount Adjustable from 14 - 23" Dimensions: 2"H x 17.5"W x 29.5"D 265 pound weight capacity Slotted venting Lip Color: Black Made of high quality cold-rolled steel with a powder coating Shelf can support up to 265lbs Maximum mounting depth of 23&#034; and a minimum mounting depth of 13.75&#034; Compatible with any 19&#034; enclosure 1 4-Post Adjustable Shelf M6 screws, cage nuts, washers