[Finger Expansion] Effectively helps address issues of weak fingers, hand collapse, and limited finger span. Allows practice with four fingers or two fingers. Finger holes measure 20mm (0.8 inch). If the finger holes feel too small, finger cots can be adjusted or removed. [Increase Span] This tool assists in stretching fingers to increase finger span, stretch ligaments, and build finger strength for improved dexterity. Regular use may enhance basic finger skills and support finger exercises. [Ergonomic Design] Features an adjustable design for enhanced comfort and usability. The finger contact areas are made of soft silicone material, providing a comfortable and convenient experience. [Easy to Carry] Made from high-quality, environmentally friendly materials with strong durability. Resistant to damage and built for long-term use, allowing practice anytime, anywhere. [Finger Training Device] Helps open finger joints and supports string pressing techniques. A practical tool for finger stretching and practicing musical instruments, suitable for beginners playing guitar, ukulele, violin, or piano. Material: ABS, silica gel, stainless steel Color: White Package Contents: 1 x Finger Expansion Tool Note: Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3 cm.