Matching Serial numbers on the Ping Eye 2 Black dots irons 3-4-5-7-8-9 Iron 6 is a King Cobra Pro CB 7 irons total The product is a set of 7 clubs from the PING EYE 2 Black Dot series, with matching serial numbers. The clubs include a 6 iron and are made of stainless steel with a black lie angle color. The set is right-handed for men and features a stiff steel shaft. The clubs are standard length (5 iron - 37 3/4") and come from the United States. The brand is Ping, and the model is EYE 2. This set is a store line grade, not customized or modified.