It is a vertical cable manager for NetShelter SX 600mm wide 42U enclosures. It helps eliminate cable stress and maintain an organized layout. Manufacturer: Schneider Electric SA. Manufacturer Part Number: AR7721. Brand Name: APC by Schneider Electric. Product Model: AR7721. Product Name: Vertical Cable Manager for NetShelter SX 600mm Wide 42U (Qty 2). Packaged Quantity: 1 Each. Product Type: Cable Organizer. [Product Information] Cable Manager Type: Cable Manager. [Physical Characteristics] Color Family: Black. Product Color: Black. Mounting Location: Side. Rack Height: 42U. Height: 35". Width: 4.21". Depth: 1.77". Weight (Approximate): 4.81 lb. Mounting Preference: No Preference. [Miscellaneous] Package Contents: Vertical Cable Manager for NetShelter SX 600mm Wide 42U (Qty 2) Installation guide . Compatibility: APC NetShelter SX 600mm Wide 42U. Certifications & Standards: TAA compliance. Mercury Free: Yes. RoHS Exemption Information: https://download.schneider-electric.com/files?p_enDocType=Declaration+of+Conformity+%28Sustainability%29&p_Doc_Ref=AR7721_ROHS_DECLARATION&p_FileName=AR7721KIT_ROHS_DECLARATION_US.pdf. WEEE Statement: The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins. REACH Declaration URL: https://checkaproduct.se.com/DistantRequestDispatcher.aspx?action=exportPdfReach&pid=384165010&lang=en-us. EU RoHS Declaration URL: https://checkaproduct.se.com/DistantRequestDispatcher.aspx?action=export&pid=384165010&lang=en-us. Environmental Profile Availability: https://download.schneider-electric.com/files?p_enDocType=Environmental+Disclosure&p_Doc_Ref=ENVPEP1512008_EN. End of Life Manual Availability: https://download.schneider-electric.com/files?p_enDocType=Circularity+Profile&p_Doc_Ref=ENVEOLI1512008_EN. REACH free of SVHC: Yes. Toxic Heavy Metal Free: Yes. Product Take Back Program: No