... 000times 3Smooth and noiseless 4Reasonable in price Concealed slide SWT663BLH Productconcealed slide SWT663BLHItem numberSWT663BLHMaterialGalvanized sheetSize300mm,350mm,400mm,450mm,500mm, ... ,350mm,400mm,450mm,500mm,550mmThickness:1.8x1.5x1.0mmCharacter:Full-pulling with plastic handleSmooth and noiseless; durable in use ... test, surface can pass 48hours salt spray. Concealed drawer slide(SWT663BLH)