Features: Good Quality & Ergonomic Design: This aluminum-alloy hand exerciser (100-250lbs) is firm and not easily deformed, ensuring long-term use. It fits comfortably in your hand, providing a soft and comfortable feel. Increases Hand Strength: The handle features a textured pattern for improved grip, offering non-slip performance even with sweaty hands. Helps build strength in the hand, wrist, fingers, and forearm. Effective Grip Strengthener: This hand grip strengthens wrist, finger, and forearm muscles effectively. The design transfers resistance from the rust-resistant steel spring directly to the hand. Hand Exerciser: Ideal for forearm and arm training. This device targets all major muscles in the fingers, hands, and forearms, promoting better muscle development and helping prevent injuries. Portable Design: Lightweight and compact, this exerciser is easy to carry in pockets or backpacks. Its small size allows for convenient use anytime and anywhere. Specifications: Material: Aluminum Alloy + Steel Color: White / Blue / Red / Black Resistance Levels: 100 lbs / 150 lbs / 200 lbs / 250 lbs Size: As shown in picture Note: Please allow 1-2 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 picture. Thank you. Package Includes: 1 x Hand Grip