We recently offered some of our customers rare SM490A heads supplied by Seven for modification by Gold's Factory. Carl (mygreenaliem) was one of the members who jumped at one of the heads as its shape resembled the no longer available Gold's Factory Private Stock No.1. SM490A used to be a very popular choice on limited edition Gauge Design Japan putters of yesteryears... it is a cross between SUS303 and Carbon Steel, not mushy soft like Carbon Steel but not as firm as SUS303/GSS. It gives the