Product description compared to the d200 the next generation d300 hybrids include a progressive head design to increase volume on stronger lofted heads for more forgiveness on longer shots perfectly distance gapped from 2 through 7 these hybrids provide an easy to hit complement to the d300 irons aerodynamic designmicro vortex generators reduce the drag forces on the head leading to increased club head speed and great distance carpenter custom 455 face insertincreased ball speeds and maxim