BREAKTHROUGH YOUR PHYSICAL LIMITS As most athletes know,if you want to improve your overall fitness you MUST train your weakest link.But there is a difference between knowing this and DOING IT.If you are looking to take your power lifting or other featsof strength to the next level then this is how you succee Made with top grade, durable aluminum knurled handles and high quality springs for a long-lasting exercise toolBuild stronger hands fast our grip handles were not built for dainty little hands. They were built to toughen you up and that is how finger exercises should be. Trust us, your hands will get used to it and, afterwards,you will be grateful for it High quality steel, Hand Gripper,Suitable for beginners or professionalsMade with top grade, durable aluminum handles and high quality springs for a long-lasting exercise tool you can rely on.Exercise your muscles anytime, anywhere,Turn Downtime Into Valuable Workouts USE ANYWHERE - Provides resistance to help develop muscles in hands, arms, wrists, forearms, and fingers for increased strength BETTER PERFORMANCE - A time-tested method for developing your hand grip for improved function and endurance in sports and weight liftingProducts from Chunchuan's store