The Test Box Basic is the kit designed for those who want to discover and experience the full String Project range.

It contains a complete selection of our most representative strings, each with its own specific features, to help you find the ideal set-up.

In addition, you’ll find essential accessories to complete your game.

Kit Contents

String Project Magic 1.26 mm

The comfort of a multifilament with the performance of a monofilament. Soft and elastic, it reduces arm vibrations while at the same time offering responsiveness, controlled power, and excellent spin. Ideal for those seeking joint protection without compromising on performance.

String Project Hexa Pro 1.25 mm

Hexagonal string for complex spin and maximum control. The shaped section “grips” the ball, generating devastating rotations while maintaining a good level of power and arm-friendly comfort. Perfect for players who make spin their main weapon.

String Project Armour 1.25 mm

Smooth monofilament with superior feel and pinpoint control. Despite its round profile, it offers excellent spin thanks to the snap-back effect. A benchmark string for competitive players seeking consistency and absolute precision.

String Project Armour Soft 1.24 mm

A softer version of Armour, designed to reduce stiffness and vibrations. It delivers superior comfort and resilience while maintaining high power and spin. An ideal choice for players seeking top performance without stressing the arm.

String Project Sirius 1.25 mm

Perfect balance of power, spin and control. Its versatility makes it suitable for different playing styles, offering arm-friendly comfort and excellent tension maintenance. A universal option for demanding competitors and amateurs alike.

String Project Rocket 1.25 mm

Explosive and grippy, it’s the string that blends power and spin. The strong snap-back and high-grip surface ensure shots loaded with rotations and a fast ball release. Ideal for players seeking aggression and heavy trajectories.

String Project Keen 1.18 mm

Thin yet durable, a concentration of technology. It offers great feel, excellent responsiveness and remarkable spin thanks to its reduced diameter. A perfect choice for players who prefer thinner strings without sacrificing durability and comfort.

String Project Gold 1.30 mm

The innovative multifilament: solid, stable and comfortable. It absorbs vibrations to protect the arm, with a high level of control and a very quick response time. Also excellent in a hybrid set-up to increase spin.

String Project Overgrip Professional Dry 0.50 mm

Maximum grip and sensitivity, with a dry, secure hold even in the toughest conditions.

String Project anti-vibration item

An essential accessory for reducing harmful vibrations and improving shot comfort.

Free shipping for orders starting from €50.
Delivery within 24/48 hours.
Free returns within 30 days.