Product Details + Refined High MOI Mallet with FaceForward Technology Zero Alignment: Two bold white lines and a hollowed-out “zero” provide effortless alignment to the target line 100% milled from 6061 aircraft aluminum Front-loaded with two 85g tungsten sole weights Positions 1/3 of the putter head's weight in the front heel and toe High MOI for stability and resistance to twisting throughout the stroke Incredibly solid yet soft feel with even roll and zero dispersion Swing weight balanced with variable weights customized for each length