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No stringing options available - this racquet comes pre-strung from the manufacturer with their brand of synthetic string.

Wilson didn't name this racquet the K Boom for nothing. At seven points head heavy, this racquet has a ton of power! Designed for the '08-'09 season, Wilson has combined all the popular K Factor Technologies from the prior seasons into one powerful racquet. At 165 grams, this racquet would be best suited for the advanced player looking for the best combination of power and lightweight maneuverability.

Technologies Include:

  • Karophite Black: Along with nano carbon provides better feel
  • Kzone: Combination of Turbo Tubes and Power Holes for increased stability and power
  • Kontour Frame: Enhanced Turbo Tube design in the throat of the racquet for improved torsional stability
  • Kontrolled Power: K Factor frame design combined with Wilson's exclusive power string technology delivers Krushing power

Strung Specifications

Head Size: 107 sq. in. / 690 sq. cm.
Length: 22 inches / 56 cm
Unstrung Weight: 165g / 5.8oz
Strung Weight: 187g / 6.6oz
Balance: 11.875in. 7 pts Head Heavy
Swingweight: 146
Factory String: Wilson Strike Zone 16 @ 30 lbs
Beam Width: 21
Composition: 46% nCoded Hyper Carbon, 53% nCoded Graphite, 1% Kevlar
Grip Type: Micro Dry Hybrid
Cover: Not Included
String Pattern:
14 Mains / 18 Crosses
Mains skip: 7H
One Piece
Shared Holes: 5H, 6H, 8H
String Tension: 28-33 pounds