**Product Specifications:**
**Wilson Prostaff 97V142 Noir Tennis Racket:**
Head Size: 97 square inches
Grip Size: 2
Unstrung Weight: 315 grams
Length: 27 inches
Balance Point: 10 points head light
String Pattern: 16x19
Recommended User: Universal size, suitable for most adults
**Wilson Blade V8 Tennis Racket:**
Innovative carbon fiber integrated handle design
45-degree carbon fiber bed technology for ball control and torsional support
Biodegradable grommet strip and base for environmental protection
Ergonomic bottom cap design for improved comfort
**Wilson Ultra Tennis Racket:**
Enhanced power and precision for players
Sweet spot channel design for increased power and feedback
Reduced throat structure thickness for faster swing speed and explosive shots
45-degree carbon fiber weave technology for flexibility and stability
AGIPLAST eco-friendly grommet strip and base for environmental protection
**Wilson Clash Tennis Racket:**
Enhanced flexibility and stability with geometric structure at the throat base
Optimized head structure for improved shot consistency
16% larger sweet spot compared to previous models
**Brand Story:**
1914: Introduction of wooden tennis racket V1
1949-1967: Launch of Wilson T2000 metal racket and Pro Staff series
1980: Introduction of Pro Staff with new structural design
2007: Introduction of [K]Factor technology in rackets
2014: Collaboration with Roger Federer for RP97 signature racket
2018: Development of eco-friendly tennis ball TRINITI
2019: Official ball and string partner for Roland Garros
2021: Redefinition of racket aesthetics and feel with Blade V8 series
Official ball supplier for Shanghai Rolex Masters
**Anti-Counterfeiting Verification:**
Each product comes with a unique verification code for authenticity
Customers can scan the code or enter it manually on the official Wilson website or app
**Product Display and Information:**
For more products and details, visit the Wilson official website or app
**Note:** The specifications provided are based on the information given and may vary slightly in actual products.