Surface treatment: color galvanized or white galvanized Shank diameter: 1.4, 1.2, 1.6, 1.8, 2.2, 2.5, 2.8, 3.1, 3.4, 3.7, 4.1, 4.5 Length: 3/4", 4/5", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3"¡ê¬ 3 1/4¡¡à, 3 1/2¡¡à, 4¡¡à, 5¡¡à or order Usage: fixing roofing, construction and building Material: q195 The specification are according to customers requirements is acceptable. More detail please contacts us or click on our website:http://www.13902837575.Com 25kg/ctn