Optimal height range 525 in 555 in advanced technology for advanced players shafts are frequency matched with a low flex point for optimal ball flight10 club only set includes v10 clubhead model 10 lighter than adult graphite shaft release 440 driver graphite shaft 3 wood and 4 hybrid graphite shaft 5 iron 6 iron 7 iron 8 iron 9 iron pw and swadditional information sku players skill level hand players height range shaft flex players age shaft type players swing speed 54762 m