Wilson Pro Staff nCode Six.One Tour 90 This is the model Roger Federer used from 2004 to 2006. Grip Size: G3 (4 3/8) Head Size: 90 square inches Weight: 320g Balance: 9pts HL String Pattern: 16x19 Accessories: Comes with the original nCode cover Overall, it shows signs of use, but there are no cracks in the frame. There are scratches and wear on the guard at the top (see photos). The grip has been re-wrapped with a new overgrip.