This ring type horizontal cable manager is 1U in height and mounts on a standard 19" rack or cabinet. It is used to organize and support cables in server racks and promote proper air flow. The brush style protects the rack from dirt and dust. Physical Characteristics Color Black Cable Management Type Ring / Pass-Through Brush Style Finish Powder Coated Material 1.5mm Thick Steel Height in Units 1U Height in Inches 1.75 inches [4.5cm] Number of Mounting Holes 4 Mounting Hardware Not Included Approvals RoHS Compliant Reach Compliant Packaging Information Package Quantity 1 Product Weight 0.86 lbs [0.39kg]