The Wilson Staff pi7 Irons feature stainless steel heads with a unique perimeter-weighted cavity and a wide sole for any player looking for maximum forgiveness and playability from any lie. The pi7 irons have a tour-preferred head size and profile to give you consistent shot making control and a confident look at address. With heel-toe weighting, these irons produce a high MOI for maximum forgiveness and consistent distance on off-center shots.