Features: Quality Material: The finger exerciser is made of high-quality ABS plastic with fine machining, ensuring it is sturdy and durable for long-term use. Convenient to Carry: Compact and lightweight design allows easy portability in pockets, bags, or instrument cases. Enables finger practice anytime and anywhere without needing a musical instrument. Ergonomic Design: Features an ergonomic shape with soft buttons to help exercise fingers, wrists, and forearms while promoting proper playing techniques for musical instruments. Adjustable Tension: Each finger slot offers adjustable tension, allowing users to customize resistance based on individual strength and training needs. Widely Used: Ideal for musicians, athletes, and individuals undergoing physical therapy. Supports training for guitar, piano, rock climbing, hand rehabilitation, and general hand strength improvement. Specifications: Material: Plastic Color: As shown in the picture Package Weight: Approximately 82g Size: Approximately 88 x 21.5 x 67mm / 3.46 x 0.84 x 2.63in (Refer to product images for detailed dimensions) Note: Please allow 1-3mm variation due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual product color may vary slightly from the image. Thank you for understanding. Package includes: 1 x Finger Strengthener