The Callaway Reva clubs have graphite shafts. Graphite shafts are great for golfers who are looking for added distance and feel. Graphite shafts are lighter and are going to help in increasing club head speed. Graphite shafts also offer a lot of feedback on impact and will aid in getting to know the feel of that shot that everyone wants. , The Callaway Reva iron/hybrid combo set comes with graphite shafts on both the hybrids and irons. The Reva clubs are designed to be forgiving and easy to play with. The graphite shafts will help with slower swing speeds to increase club head speed and overall give the player better distance. , Callaway's REVA line of clubs for women are designed with forgiving head shapes and are optimized to help golfers hit the ball more consistently and further than ever before. The REVA club set comes with graphite shafts and includes a revolutionary Tungsten weighting system which enables golfers to launch their irons higher.