Description: Premium Quality: Made of high quality PP Metal, featuring high flexibility and durability, strong enough for heavy duty exercise. Ergonomic Grip Design: The powerful gripper is ergonomic and easily use. TPE handle, comfortable grip, good elasticity, safe, non-slip and environmental protection. Pocket Size: With a compact and portable design, take this grip strength trainer with you and exercise anywhere: at home, workplace, or travel. Feature: Free rotary adjusts strength, 5kg~60kg strength range. Intelligent design, automatic counting. Hand Training: Great for finger, wrist & forearm training, building up hand strength, increasing grip and the flexibility of fingers. Perfect for wrestlers, athletes, musician, muscle builders, exercise trainers. Specification: Material: PP Metal Color: Light Blue   Size Chart: 15cmx11cmx2.2cm/5.91inchx4.33inchx0.87inch Package Includes: 1 Counting Grip(5 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.