The Cobra revolution is now upon us. Their 'one-length' clubs have been an amazing success due to a number of wins by Bryson De Chambeau, one of their staff professionals. He has embraced this technology which has allowed all of the irons in the bag to be the same shaft length as the 7-iron giving you more control over those harder to hit long irons. The new Speedzone One length Steel shafted irons display those characteristics