Specifications Material: Stainless Steel & Rubber Quantity: 2 Pieces Color: Orange Resistance Range: 11-132 lbs (5-60kg) Weight: 154g (per handle reinforcement) Size: 15 * 9.5 * 2 cm / 5.89 * 3.73 * 0.78 inches (per handle reinforcement) Tips 1. Due to manual measurement, please allow 1 ~ 2cm error. Thank you for your understanding. 2. The calibration of the monitor is different and the color of the item shown in the photo may be geroming, geroming. Please use the real one as the standard. Package contents 2 x hand trainers Why choose us? -The daily exercise of the grip exerciser can help reduce the effects of hand injuries, rheumatoid arthritis, arthritis, carpal tunnel, tendinitis, fractures, wrist exerciser can help make the best strong spring to long-term and frequent use endure. -As a rule, they are small devices that you can use anytime, anywhere. which you can endure anytime and frequent use. Improve grip strength, finger flexibility, wrist stability or general forearm strength, making it an ideal choice for athletes, piano or guitarists, drummers and musicians, bodybuilders, etc.