OCTACORE-- More Power Contol, Feel and comfort !

Head size: 97sq"
Unstrung Weight: 305g
Unstrung Balance: 315mm
Strung Weight: 317.5g
Strung Balance: 5 Points HL
Strung Swing Wt: 314
String Pattern: 18x20
Stiffness ratings are not made for Donnay Racquets, as they feature Dynamic Stiffness
Grip: Cushion
Rec. String Tension: 45lbs (+/- 10)
Beam Width: 21/21/21mm
Length: 27
Technology: Hexacore XēneCore™

The Pro One 18x20 is for advanced players who are looking for the original classic Head Prestige PT57A which were made in Austria but dont want to pay $700.  

: Start Mains at TOP, skipping 8H, 10H, 9T. Tie Mains 8T. Start Cross 8h, tying at 6H. Last Cross 9T, tying at 7T (35-55lbs)