Titleist 712 AP1 Irons introduces the new high performance AP1 irons for avid golfers which are built upon the high technology design and resounding success of the original AP irons.Titleist is known for bringing equipment to the tour prior to release as part of its "validation" process and is holding to that strategy with the new 712 iron line.  The AP1 and AP2 shave revamped cavity designs and a higher moment of inertia for more consistent results on mis-hits.