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 enhanced grip, offering non-slip performance even with sweaty hands. Helps build strength in the hand, wrist, fingers, and forearm. Effective Grip Training: This hand grip strengthener delivers targeted resistance to the wrist, fingers, and forearm muscles. The design transfers resistance from the rust-resistant steel spring directly to the hand for effective training. Hand Exerciser Function: Ideal for forearm and upper limb conditioning. This device engages all major muscles of the fingers, hands, and forearms, promoting improved strength and helping to prevent injuries. Portable and Lightweight: Designed for portability, it is easy to carry in pockets or backpacks. Its compact 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 image Note: Please allow 1-2 cm variation due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the actual color may vary slightly from the image. Thank you. Package Includes: 1 x Hand Grip Exerciser