Find more greens with an unparalleled combination of forgiveness and feel 588 mid trajectory irons are fully interchangeable with 588 tour trajectory and altitude irons so you can build your perfect setengineered for mid trajectoryconstant blade length throughout set blade height progressively increases in higher lofted clubs easy to hit long irons are blended with more traditional short ironsfull hollow constructionhigh performance in a playable design advanced internal weighting adds for