Improved Grip Strength: This spiky roller hand grip amp is designed to improve your grip strength and dexterity. The unique textured surface provides a stimulating massage while exercising, promoting better circulation and reducing hand fatigue. Regular use can help improve performance in sports, weightlifting, and everyday tasks that require a firm grip. Its compact size makes it easy to carry and use anywhere, anytime. Experience the benefits of a stronger, more resilient grip with this innovative hand trainer. Stress-relieving massage: The TPR material and spiky roller design offer a soothing massage experience for your hands and feet. By rolling and pressing the grip amp, you can target specific pressure points to relieve tension and promote relaxation. The needle-like protrusions stimulate blood flow and help relieve muscle soreness. Ideal for use after exercise, long hours at a desk or when you need to unwind and reduce stress. Enjoy the therapeutic benefits of a hand and foot massage in the comfort of your own home. Portable and Comfortable: This large hand grip amp is lightweight and compact, making it easy to take with you wherever you go. Whether you're in the office, traveling, or just relaxing at home, you can easily incorporate this tool into your daily routine. The durable TPR material ensures long-lasting use, while the ergonomic design provides a comfortable and secure grip. Keep it in your gym bag, desk drawer, or travel set for stress relief and hand-strengthening exercises on the go. Specifications: Color: Blue/Navy Size: Length: 10.4 cm, Width: 5.8 cm, Height: 0.7 cm Material: TPR Model: 019 Package includes: Hand grip amplifier x 1