Anybody played with PK Delta X10 280 CORE?
http://www.pro-kennex.com/prod-tennis/2016/delta.html
The Delta 280 is the latest revolution in racket construction from Pro Kennex. The frame has a wooden spine within the head of the racket which removes harsh vibrations and gives you stability and FEEL. The uniquely constructed Delta shaft provides torsional stiffness with no loss of energy. This is the most powerful racket ever produced by Pro Kennex.
http://www.pro-kennex.com/prod-tennis/2016/delta.html
The Delta 280 is the latest revolution in racket construction from Pro Kennex. The frame has a wooden spine within the head of the racket which removes harsh vibrations and gives you stability and FEEL. The uniquely constructed Delta shaft provides torsional stiffness with no loss of energy. This is the most powerful racket ever produced by Pro Kennex.