the galvanized steel studs are made of high quality steel, and some sizes are available, or customize size. Category: stud, trackUse: for partition wallMaterial: High quality steel with zincificationSize:Stud: 150x50mm, 100x50mm,75x50mm, 75x40m, 75x30mm or customizeTrack:150x50mm,100x50mm,75x40mm,75x30mm,75x20mm or customizeThickness: 0.3-0.8mm or customizedLength: 3000mm or customized