This 2-post relay rack is 19 inches wide, and 42U 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 78.75"H x 23.6"W x 23.6"D [200cmH x 60cm W x 60cm D] Compatibility Compatible Vertical Cable Managers RM-450-42U – Vertical Cable Manager for Relay Rack – 42URM-455-42U – 42U 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 42U (78 inch) – Knock Down Style (Unassembled) 4 – Casters (use of casters is optional) Assembly Hardware M6 Screws and Cage Nuts Product Weight 45.1 lbs [20.5kg] Package Dimensions 78"H x 6.5"W x 7"D [198cmH x 16.5cm W x 17.8cm D]