1)metal cable manager 19" 2U 2) 5 D-ring 19" mountale 3)Meet ISO 9001,ROHS,CE,FCC ... 4)full metal 5)OEM,ODM available Cable Management Description ... ;3) Material: plastic ABS;4) Easy to install, and can save installation expense.5)Cable management meet ISO9001,RoHS,CE,UL,ETL ... metalpackage:1pc/box, 20pcs/cartonweight:1kg/pcs 1 U metal D-ring cable manager