Tour Model Ironshttps://www.titleist.com/teamtitleist/team-titleist/f/golf-clubs/17340/tour-model-irons I just purchased a set of Titleist Tour Model irons and have a few questions about them. The number etched on the feral is 16652 and a small 7 is etched on the hozel near the feral. What do those numbers mean? The irons have Titleist Tour Flex steelen-USTelligent Community 10Re: Tour Model Ironshttps://www.titleist.com/teamtitleist/thread/79935?ContentTypeID=1Tue, 02 Oct 2012 06:20:11 GMT9ab519fc-5311-4952-85cd-0a0ceffb73fb:66f8550a-88d9-4c88-9cb4-e5c0bd521435avril h<p>Hey Bill, this is Louise!&nbsp; fb me! Avril Hernandez (Louise Whitman)&nbsp;</p> <p>&nbsp;</p><div style="clear:both;"></div>