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Ordering racquets: Select from the options below to customize your racquet. We string according to your specifications. Follow the instructions below for selecting a string and be sure to enter tension.

Note about custom hybrid stringing

*If the string you want is not in the menu, select "String not in this menu" and on the next page type the name of the string into the stringing instructions. The price of the string will be added to your order once processed.

Stringing information for : None available

With its extended length (27.5 inches) and meaty swingweight (334 RDC), the Pro One OS Ext will provide intermediates with easy power and spin. Players with medium strokes will have no problem getting sufficient depth. The 105 square inch head and even balance provide a stable platform against pace, especially on block volleys. The extra length translates nicely into big serves. Our testers found this frame to play lighter than its swingweight, offering excellent maneuverability on reaction volleys and service returns. The open pattern provides a forgiving feel and plenty of bite. A great option for intermediates looking for controllable power in a comfortable package.

Strung Specifications

Head Size:
105 sq. in. / 677.42 sq. cm.
Length: 27.5in / 69.85cm
Strung Weight: 10.6oz / 300.5g
Balance: 0 pts EB
Swingweight: 334
Stiffness: 65
Beam Width: 21.5mm / 21.5mm / 21.5mm /
Composition: XeneCore / Graphite
Power Level: Medium-High
Stroke Style: Compact-Medium
Swing Speed: Slow-Moderate
Racquet Colors:
Black/ Silver
Grip Type: Donnay Synthetic
String Pattern:
16 Mains / 19 Crosses
Mains skip: 7T 9T 7H 9H
Two Pieces
No Shared Holes
String Tension: 40-60 pounds