... The Latest Building Material- U Track for Office Partition Steel U Channel 1.Usage:wall partition 2.Easy to install The Latest Building ... -220Products specificationWidth(mm)Height(mm)Thickness(mm)Length(mm)Wall partition stud keels (QC)5045,500.6Customized7530,45,500.4-0 ... .6Customized10040,45,500.5-0.7CustomizedWall partition track keels (QU)5035,500.6Customized7525,350.3-0.6Customized100350 ...