Startech.Com 2u Vented Sliding Server Rack Shelf W/ Cable Management Arm - 27.7 To 31.6in Adjustable Mounting Depth - 50lb - 24in Deep - Prateleira De Bastidor - Preto - 2u - 19" - Para P/n: Rk1233bkm, Rk2433bkm, Rk2537bkm, Rk3236bkf, Rk4236bkb, Rk42