On the back of the heads, Ping added an upgraded PureFlex badge. The first version was introduced in the G430 irons and used seven pieces; the badge on the G440 has four pieces but still absorbs ...

A new heat-treatment process strengthened the 17-4 steel used for the clubhead ... Still, it’s the guts of the club where Ping excels. The G440 irons add speed while enhancing forgiveness ...