High Density tungsten rubber inserts and an internal weight pad move mass in the head to fine tune the CG location for each loft of driver
8 and 9 Degree drivers feature weight concentrated low in the head to maximize vertical gear effect which lowers spin
10.5 degree and HL drivers feature weight being kept low, but moving progressively back in the head to maximize dynamic loft to produce a higher ball flight
Variable face thickness increases the high CT area of the club head in the heel and toe to expand the sweet spot
