i have found the product detail :
Powerful, stable flight and comfort - thanks to a larger sweet spot!
Great Distance
Srixon WS system High launch & Low spin generated by a tungsten-nickle weight and a thin, 0.6mm crown
Great Accuracy
Consistent distance through a CG flow design differentiated by loft
Consistent distance through a newly designed solid impact power face, even with a large 460cc head
Great Feel
Mild, comfortable feel thanks to shock absorbing material
Pleasing hitting sound due to the sound-rib structure
Newly developed SV-3006 shaft delivers consistent distance and launch angle, with uniquely designed heads
The detail is from
http://www.golfersclub.co.za/index.php?pag...rt&Itemid=1