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The spin performance has been improved with a top sheet that combines a slightly thicker grain shape than Q3.
In combination with a high-resilience sponge, it enables a powerful spin ball that threatens the opponent.
Q4 is a rubber for players who attack with a fast swing and a strong spin.
◆ Type: Tension Rubber
◆ Sponge thickness: Special thickness 2.1, Thickness 1.9, Medium 1.7