High-quality material: This wrist strengthener is made of high-quality spring steel, ensuring long-term use, sturdiness, and durability. The strength adjustment sliding sleeve allows up to adjust resistance levels. Forearms and wrists exerciser: Designed to target flexor and extensor muscles for effective forearm and wrist workouts. Widely used: This hand exercise equipment helps improve hand grip, finger, forearm, and wrist strength. It is also suitable for stress relief and light recreational use. Thick sponge padding provides comfort, is pressure-resistant, wear-resistant, and easy to clean. Compact size for easy portability, allowing wrist exercise anytime and anywhere. Great gift: Ideal for athletes, fitness enthusiasts, professionals, rock climbers, and tennis players. Notice: 1. Actual color may vary slightly from the image due to different lighting conditions. 2. Please allow 1-3 cm deviation due to manual measurement. Material: PP, carbon steel Size: 15 x 3.5 x 26.5 cm Package List: 1 x Spring Wrist Exerciser