... system; 2.Easy to install Stud 100 light steel keel Construction Image: Studs50&70&100 Wall partition system light steel keel ... track keels (QU)5035,500.6Customized7525,350.3-0.6Customized100350.6-0.7CustomizedAdvantages and features:1.Light,good strength,cauterization resistance ... ,60 light steel main channel,75stud,100 stud,150stud,50 track,75 track,100 track and 150track Related Certificate: Stud ...