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Le Gripmaster est l'appareil d'entraînement parfait pour améliorer spécifiquement la force de préhension et la flexibilité des doigts. Son système innovant à ressort pour les articulations des doigts permet un entraînement individuel de chaque doigt, idéal pour les athlètes, les musiciens et toute personne cherchant à augmenter sa force manuelle.
Le Gripmaster vous permet d'augmenter spécifiquement votre force manuelle et d'améliorer la flexibilité des doigts. Que ce soit pour la réhabilitation après une blessure ou pour améliorer les performances, cet appareil est une aide indispensable pour tous.
Helvia offers a diverse selection of products for everyday life and beyond: home, electronics, lifestyle, fashion, and accessories. Each item is carefully chosen to meet criteria of quality, practicality, and trendiness.
Our catalog is organized into clear categories and regularly updated with new items. Each product page provides detailed features, available formats, and sales conditions, allowing you to make a confident choice.
Based in Switzerland, Helvia is committed to providing a simple, transparent, and reliable shopping experience — from browsing our online store to delivery at your doorstep.
As soon as your order ships, you will receive a tracking link by email allowing you to track your package in real time.
You benefit from a 14-day satisfaction guarantee.
If the product does not suit you, you can contact us to make a return in accordance with our refund policy.
Yes, all payments are 100% secure thanks to encrypted payment systems that comply with current standards.
All orders are prepared and shipped within 1 to 2 business days after payment confirmation.
Delivery times depend on your place of residence:
Switzerland: 5 to 10 business days
*The indicated times are estimates and may vary slightly depending on demand, the time of year, or certain specific products. In some cases, delivery may take a little longer.
