Slightly Used, Excellent Condition Ping i20 Iron Set 4-PW (7 total Irons). Blue Dot. The previous owner took really good care of this set. The face and grooves are in excellent condition. They have the stock Ping TCF 169 I Graphite shafts. Regular Flex. This set is +0.5" longer than Ping Standard. They have the stock Ping Grips. +1/32" Over. The serial number on this iron set is 12T6596. Thank you for looking!