The Srixon M-steel fairway wood’s centre of gravity is lowered and deepened with the tungsten nickel weight in the sole of the heel for greater stability and for an easier launch angle and hence greater carry.The Srixon M-steel is designed with linear moment of inertia around axis, for greater stability and the shock absorbing gel in the toe ensures better vibration control at impact and gives a shot that is both long, and feels great