Monofilament tennis strings

String Project monofilament strings offer control, spin and durability: the choice for those seeking precision and bite on the ball. Latest-generation polyester construction, Arm Friendly® and laboratory-tested.

Seven monofilament models, from the most control-oriented to the explosive in power and spin. Find the right one for your game.

Our monofilaments

Seven monofilament strings, each with its own character. All Arm Friendly®, all laboratory-tested.

Corda da tennis String Project Armour – 200 m reel
Control · Monofilament

String Project Armour

Plush on impact, precise off the strings.

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Corda da tennis String Project Keen – 200 m reel
Control · Monofilament

String Project Keen

Thin, sensitive, responsive: feel every shot.

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Corda da tennis String Project Hexa Pro – 200 m reel
Spin · Monofilament

String Project Hexa Pro

Solid control, complex spin.

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Corda da tennis String Project Rocket – 200 m reel
Power · Monofilament

String Project Rocket

Power and spin, no compromises.

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Corda da tennis String Project Sirius – 200 m reel
All-round · Monofilament

String Project Sirius

Precise, stable, consistent: top-level performance.

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Corda da tennis String Project Armour Soft – 200 m reel
Comfort · Monofilament

String Project Armour Soft

Balanced in every way, consistent over time.

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Corda da tennis String Project Magic – 200 m reel
Comfort · Monofilament

String Project Magic

The comfort of a multi with the performance of a mono.

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Ready to improve your game?

Choose the string that suits your style and feel the difference. Free shipping from €50.