Detailed Product Description Welcome you visit the produce of our website, and thanks so much, please allow me introduce the details of the products:It is made of galvanized steel wire.Crown:0.374"Width:0.049"Thickness:0.039"Gauge:18GAModel:M12------M40also the length we can do as you need.The size is similar to the famous brand from abroad such as: FASCO, BEA, SENCO, and PREBENA, MAX and so on. ...