XUEMEI Hand Grip Strength Enhancer with Adjustable Resistance from 50 to 150 lbs. This hand grip strength device is designed to improve grip strength and finger dexterity. Durable construction features high-quality knurled aluminum handles and strong steel springs for long-lasting performance. Portable and easy to use, this hand exerciser allows you to train your hands, fingers, wrists, and forearms anytime and anywhere. Ideal for building hand strength and enhancing overall grip power. 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. Perfect for use at home, in the office, or on the goturn idle moments into productive workout sessions. 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