Hello Supper,I am a buyer from Asian tools and hardware located in India. I am interested in adding your grey /black phosphate Dywall Screw 3.5*25 to my inventory.May I know more information about product such as:Head Diameter,Measurement system,Material,What are your payment terms for new customers?If you have any other product that you believe I could have interest in please let me know.With Best RegardsmunawarAsian tools and hardware Show More