... .0mm 3.Finished:Zinc-plated 4.Smooth and noiseless Concealed slide(SWT663BLH)ProductConcealed slide SWT663BLHItem numberSWT663BLHMaterialGalvanized sheetSize300mm,350mm,400mm,450mm,500mm,550mmFinishedZinc-platedThickness1 ... 48hours salt spray.Please donot hesitate to contact with us!!! Concealed slide(SWT663BLH)