Butterfly · Spring Sponge X Series
DIGNICS
FH × BH
Pairing Matrix — All Combinations
4
rubbers in series
16
FH × BH combinations
Spring Sponge X Technology
Released 2019 · Made in Japan
Highlight FH →
All
Spin
Speed
Balance
Tacky Spin
Forehand Rubber
← Backhand Rubber →
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