a)width: 210,240,300,etc. (mm) b)thickness: 1.2 --1.8mm c)length: according to your request d)surface: HDG, galvanized we are producing steel walkboards with the following specifications: width210,240,300,etc. (mm)thickness1.2 --1.8mmlengthDo according to your requestsurfaceHDG a full range of sizes. super quality, competitive price. looking forward to your specific inquiry.