APC SU032A 4-Post Rackmount Rails Color: Gray Weight: 5.95 lbs. Designed For: P/N: SU2200RMXLINET-1EW, SU2200RMXLINET-2EW, SU2200RMXLINET-3EW, SU5000R5TBXFMR, SU5000R5TBXFMR-TU, SU5000R5T-TF3, SU5000R5T-TF3-TU, SU5000R5XLT-TF3, SU5000R5XLT-TF3-TU Product Type - Rails Package contents - 4 POST Rack mount rails Includes: -Installation guide -mounting Hardware -Rack mounting brackets