- Headsize: 100"
- Strung Weight: 11.0 oz.
- Length: 27.0"
- Cross Section: 24-26-22 mm
- String Pattern: 16m x 19c
- Balance: 5 pts HL
- Tension: 53-63 lbs
- Power Level: Low-Medium
- Swing Weight: 305
- Grip: Wilson Leather
Attribute Reference Chart Need help choosing a string? Technology: | The Wilson K Pro Open is evolution of the nPro Open, and is a great choice for the aggressive player who likes to hit a heavy ball with plenty of spin. It's extremely maneuverable, allowing players to generate extreme racquet head speeds. This update feels more comfortable than its predecessor. Recommended for NTRP 4.0+ players. Racquet cover not included. Free FedEx Ground shipping and free stringing! Grip sizes marked "Available to order" typically ship within the indicated time frame, but are subject to supplier availability. If you order one and there is a supplier delay, we will notify you immediately. | Grip Size | Stock | Ships from pro shop: | | 4 1/8 | 1 | 48 hours or less
| | 4 1/4 | 1
| 48 hours or less | | 4 3/8 | 2
| 48 hours or less | | 4 1/2 | 2
| 48 hours or less | | 4 5/8 | 1 | 48 hours or less
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