The SMT Golf Spectrum clubhead has the appearance of traditionalist meeting the new age, very classy shape, with all the benefits of new technolgy. The SMT Spectrum Driver is a very forgiving club with a very a large “sweetspot” and has the VFT “Variable face thickness” technology which gives any club a “spring or trampoline” effect to help propel your golf ball for faster speeds and with significantly less overall effort. The Spectrum conforms to USGA Rules of Golf.