The all new callaway apex cf amp apex pro combo set 16 have brought the best of both worlds with 360 face cup technology that provides amazing ball speeds from the lower lofted irons 3 7 in contrast the higher lofted clubs 8 a offer the shaping and progressice cg of the apex pro irons finally all these irons have lofts that are adjusted for proper gapping between clubs as well as a stunning satin chrome finish