The Dunlop FX 500 is a power-oriented tennis racquet built for players who want easy depth, heavy spin, and solid stability. 

Key Specifications

• Head Size: 100 sq. in. (645 cm²)
• Unstrung Weight: 10.6 oz / 300 g
• Balance: ~4 to 6 pts Head Light
• String Pattern: 16 mains x 19 crosses
• Beam Width: 23mm / 26mm / 23mm
• Swingweight: ~320 

Core Technologies

• Power Boost+ Frame Geometry / Groove: Wider beam sections at the 3 and 9 o'clock positions increase torsional stability and energy return
• Power Wave Grommets: Specialized grommet channels at 3 and 9 o'clock even out the stringbed response and add string movement for extra spin
• Sonic Core with Infinergy: High-elasticity foam material integrated into the upper hoop to dampen harsh vibrations and soften the feel