XUEMEI Hand Grip Strength Enhancer with Adjustable Resistance from 50 to 150 lbs. This hand grip strength device is designed to improve finger, hand, and wrist strength. Durable construction features high-quality knurled aluminum handles and strong springs for long-lasting performance. Portable and easy to use, this hand exerciser allows you to train anytime and anywhere—ideal for use at home, in the office, or on the go. It helps strengthen arms, fingers, and wrists, providing an effective way to build grip strength. Features high-quality carbon steel and aluminum construction with 5 adjustable resistance levels: 50, 75, 100, 125, and 150 LBS, suitable for both beginners and professionals. Specifications: Material: Carbon steel, aluminum Color: Silver Size: 9.65 x 13.71 cm / 3.80 x 5.40 in Package includes: 1 x Hand Grip Exercise Strengthener