This 2-post relay rack is 19 inches wide, and 29U in height. It is typically used to mount networking and audio/video rack mountable equipment. Shipped knockdown in a flat-pack for easy handling and shipping. Physical Characteristics Color Black – Powder Coated Material SPCC Cold Rolled Steel Loading Capacity Maximum 300kg Mounting Rails 2 x 19"-Mounting Rail Posts (square hole knockouts on both sides) Mounting Rail Thickness 1.9mm Product Dimensions 23"W 23"D 56"H [58W 58D 142H cm] Compatibility Compatible Vertical Cable Managers RM-450-29U – Vertical Cable Manager for Relay Rack – 29URM-455-26U – 26U Vertical Cable Manager – Front Facing Approvals ANSI/EIA Compliant RS-310-D Compliant IEC60297-2 Compliant DIN41494 Compliant PART1 Compliant PART7 Compliant Environmental RoHS Compliant Reach Compliant Packaging Information Package Quantity 1 – Relay Rack 29U (56 inch) – Knock Down Style (Unassembled) 4 – Casters (use of casters is optional) 20 – M6 Screws and Cage Nuts Assembly Equipment Product Weight 37.4 lbs [17.0kg]