Our dumbbell strengthens forearm muscles and fingers. Comes in a 2-pack for simultaneous hand training. Suitable for climbers, athletes, musicians, and therapists. Adjustable resistance from 5-60kg makes it ideal for all skill levels. Simply turn the dial to match your strength. Enhances grip strength, endurance, dexterity, and muscle tone. Helps with hand injuries, arthritis, and rehabilitation. Perfect for men, women, and seniors. Non-slip rubber handle ensures safety during use. Compact size (6.1x4.2 inches) fits most hand sizes. Features: - Colors: Black, Red - Material: Rubber and stainless steel springs - Weight per unit: 156g - Adjustable resistance: 11-132 lbs (5-60kg) Improve your grip and forearm strength with this versatile trainer. Ideal for fitness and recovery. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.