America style double track wall: 1.material:steel 2.finishing:powder coated 3.thickness:1. ... 5mm 4.size:640,960,1280,1600,1920 US style double track wall:1.material:steel2.Surface treatment:powder coated3.Thickness:1 ... .5mm4.Size:640,960,1280,1600,1920mm5.Character:double slot wall standard,US style.6.we can also produce according ...