The Wilson K Blade Team is an update to the n Blade 106 and features traditional feel, but in a lighter, more forgiving headsize. The added strength and stability of Wilson's K Factor technology continues in the K Blade Team. A 22mm flat beam and 104 square inch headsize provide solid feel and ample control for intermediate to advanced players with a medium to fast swing. Dense 18x19 string pattern further enhances control. As used by Venus and Serena Williams.