Tenniis Strings at a Glance
  Gauge Playability Durability
Construction
Recommended Player Type
Colors
Special Features
MonoGut Competition Strings
MonoGut®
1.27
98
100
Multi Polymer
Monofilament
Heavy Hitter/
Power Player
Metallic Silver
Optimum Durability/
Power with No String
Movement
MonoGut® 17
1.22
100
100
Multi Polymer
Monofilament
Heavy Hitter/
Power Playe
Metallic Silver
Superior Durability/
Power with No String
Movement
Crossfire®
MonoGut  
1.27/
1.30
97
100
Multi Polymer
Monofilament/
Synthetic Gut Hybrid
Heavy Hitter/
Power Player
Metallic Silver/
White
Hybrid with
Exceptional
Power/Durability
Zyex Competition Strings
Dynamite®
17
1.25
100
95
Zyex
Multifilament
All Court
Player
Natural
Closest Synthetic
to Natural Gut
Crossfire & Kevlar Competition Strings
Crossfire®II
1.30/
1.30
93
100
Aramid/Synthetic
Gut Hybrid
Heavy Hitter/
Power Player
Gold/
Gold
World's #1 Tennis
Durability Hybrid
Crossfire®17
1.25/
1.30
95
100
Aramid/Synthetic
Gut Hybrid
Heavy Hitter/
Power Player
Gold/
Gold
Perfect Tennis Hybrid
Combination of
Durability/Playability
Crossfire®18
1.10/
1.30
100
90
Aramid/Synthetic
Gut Hybrid
Heavy Hitter/
Power Player
Gold/
Gold
World's #1 Tennis
Durability Hybrid
Kevlar®16
1.30
N/A
100
100% Kevlar
Chronic String
Breaker
Gold
Makes Most
Durable Hybrid
Kevlar®17
1.25
N/A
98
100% Kevlar
Chronic String
Breaker
Gold
Makes Perfect
Hybrid
Kevlar®18
1.10
N/A
90
100% Kevlar
String
Breaker
Gold
Makes Most
Playable Hybrid
Classic Strings
Synthetic
Gut 16
1.30
93
90
Nylon Polymer
Monofilament
All Court
Tournament
Player
Gold, White
and Purple
Classic
All Court
String
Synthetic
Gut 17
1.25
95
87
Nylon Polymer
Monofilament
All Court
Tournament
Player
Gold and
White
Classic
All Court
String
Liberty® 16
1.30
90
90
Nylon
Monofilament
All Court
Recreational
Player
Natural, White
Black, Gold, Purple
and Optic Yellow
Best Value in
Tournament
Nylon String
Liberty® L 15
1.40
85
95
Nylon
Monofilament
All Court
Recreational
Player
Natural, White
Black, Gold, Purple
and Optic Yellow
Best Value and
Durability in a
Tournament Nylon String
MonoFire XL® 1.25
1.25
90
100
Polyester
Monofilament
Heavy Hitter/
Power Player
Gold
Best Value
in Polyester
Monofilament
MonoFire XL® 1.30
1.30
85
100
Polyester
Monofilament
Heavy Hitter/
Power Player
Gold
Best Value
in Polyester
Monofilament

Tennis player
ZYEX® is a registered trademark of Zyex Ltd.
Kevlar® is a registered trademark of E.I. DuPont de Nemours and Co.
Vectran® is a registered trademark of Hoechst Celenese