Comparator Tennis Strings

With X-Compare Strings, analyze up to 4 tennis strings using scientific data. Evaluate power, control, comfort, spin, tension maintenance, and durability to find the perfect match for your playing style.

422
Strings rated
6
Measured criteria
100%
Laboratory data
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Signum Pro Firestorm 12m String
Criterion Signum Pro Firestorm 12m String
Power
54
Control
65
Comfort
44
Spin
76
Tension maintenance
54
Durability
100
Specification Signum Pro Firestorm 12m String
Strength —
Type —
String stiffness —