Features: It is very simple to use and convenient to carry High quality aluminium alloy handle makes it very durable Carbon steel spring makes it has good elasticity An excellent training tool to strengthen your hands, wrist and forearm Specifications: Type: Spring-grip Material: Aluminum, Alloy Color: Siver Handle & Black Spring Size: about 134*104mm Entry Level: 100lbs-150lbs Foundation Level: 200lbs-250lbs Professional Level: 300lbs Package Includes: 1Pcs Heavy Grip Collapse AllExpand All 4.5 out of 5 starsJAYSSS 100-300lbs Heavy Hand Fitness Grips Carpal Strengthen Expander for Fitness Forearm Arms Muscle Finger Gripper Trainer Strength Share: Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive. Fields with an asterisk * are required **01020304050607080910111201020304050607080910111213141516171819202122232425262728293031*Enter the store name where you found this product*Please select province Please select province *01020304050607080910111201020304050607080910111213141516171819202122232425262728293031Submit FeedbackProduct information: Feedback: It works great to increase speed, strength and power in the wrist, hands, fingers and forearms. Excellent recovery and rehabilitation tool for arthritis, carpel tunnel, rheumatoid arthritis, tendonitis, surgery of the, tennis elbow, wrist sprains and broken fingers or wrists. Ergonomic and ambidextrous design makes it suitable for unisex, the elderly, teenagers and pre-teens, and children, depending on age. Suitable for anyone who wants to improve their hand strength. You can start with a lower level to a higher strength level It is a perfect training tool