While The Iron Is Hot: 2013 sales data, so far
From the Nov. 13 edition of Golf Digest Stix:
One reason could be the emergence of clubs with thin, high-speed face designs, bringing some metalwood distance technology to irons. It might also be cyclical. Golf Datatech's latest consumer-attitudes study suggests the average serious golfer buys a new set of irons every 5.2 years.
[Illustration by Harry Campbell]