Dear Sir Madam, Material:Galvanized, Serrated Steel Gratings, A569 Product name:Plain style, Serrated, Galvanised Grating Raw material:Low Carbon Steel Surface treatment:Hot Dipped Galvanized Cross bar spacing:100mm Bearing bar spacing:30mm Bearing bar Depth:30mm Bearing bar thickness:5mm CIF BUSAN SEAPORT, KOREA EXPORT PACKINGS.