MacGregor Tommy Armour SS1WUsed by Jack: 1960-1966
Majors won: 1961 U.S. Amateur; '62 U.S. Open; '63 and '65 Masters; '63 PGA Championship.
Technology: Fifty years ago, MacGregor drivers were carved from blocks of "oil-hardened" persimmon wood. The SS1W has a medium-deep face, black leather Firma-Grip and light-brown head (Nicklaus's refurbished club is black).
History: Nicklaus broke the face insert nine times in 1961 and cracked the neck in a 1966 "Challenge of the Champions" match with Gary Player.