Features: Applicable Scenes: Ergonomically designed to fit small to large hand sizes. Suitable for men, women, seniors, and teens. 42mm diameter round pointer display with clear scale and auto zero function. Designed for athletes and sports enthusiasts looking to improve hand, wrist, forearm, and finger strength for activities such as rock climbing, shooting, bodybuilding, golf, and tennis. The adjustable tension levels make this hand exerciser suitable for individuals with arthritis, rheumatoid arthritis, tendonitis, carpal tunnel syndrome, tennis elbow, or those recovering from wrist or tendon injuries. Ideal hand strengthener for musicians, including drummers, guitar players, pianists, and violinists. Hand grip strengthener only; other accessories shown in the image are not included. Specifications: Material: ABS Packing Size: approx. 18.5 x 8.5 x 3 cm / 7.28 x 3.35 x 1.18 in Optional Colors: Blue, Gray Quantity: 1 Piece Note: Please allow 0-1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color of the item may vary slightly from the image. Thank you. Package Contents: 1 x Hand Grip Strengthener