ISOMETRIC: A square-shaped frame design that enlarges the sweet spot by 7%* compared to conventional round racquets for greater control and consistency.
Flex: STIFF
Frame: HM Graphite, M40X, SUPER HMG, Copper
Shaft: HM Graphite, SUPER HMG, ULTRA PE FIBER
Joint: New Built-in T-Joint, Graphite
Length: 10 mm longer
Weight/Grip: 4U (Avg. 83g) G5
Stringing Advice: 4U: 20 - 28 lb
Recommended Strings: Control Players: EXBOLT63 Hard Hitters: EXBOLT65
