2-in-1 Grip Strength Tester & Trainer - 150kg/330lb Digital Dynamometer with Adjustable Resistance Levels Backlit LCD Screen for Sports & Fitness

【Grip Test and Trainning 2-IN-1】 CoreAcme grip strengthener is designed with detachable frame, you will enjoy grip tester and grip trainer all in one gear. Simply just install springs for training, install the dynamometer to start your grip testing, it offers a longlasting focus on self-improvement. 【Multi-functional Dynamometer 】 The dynamometer comes with 3 units conversions (KG/LB/JIN), meeting your different unit measurement demand. Maximum capacity at 150kg/330lb. It also comes with clear green light LCD screen with larger number which is readble in darkeness, easy for young and olds. It is powered by AA batteries (Package included). 【3-Level Progressive Training】 Each pair of springs form to a different level. The first pair is at 40kg/88lb grip strengh, for our beginner like everyday trainning, fitness lover. Two pairs at 80kg/176lb, for our upper trainer with specific careers or self-improvment. Full sets springs at 120kg/265lb, for pro athletes, muscle strengthening. This griper make you a improvement in different sports. 【Longer Lifespan】Compared to common plastic grip tester and trainer, CoreAcme grip gear ensures a longer lifespan in adopting premium metals, sturdy nickel plating process ensures rust resistant and easy to care. 【Gifts Choice】CoreAcme force strengthener comes with a pro case to store your grip gears, and specific shockproof foam compartment for gear, springs to ensure equipment safety. Ideal gift choice for your fitness buddies, friends, families, colleagues, it is also a gift during Christmas, birthdays, anniversary. 【Warm Notice】 1) This product is not for therapy in arm or hand, please consult pro helps from doctors before use. 2) Keep it away from children. 3) "JIN" is a reference unit for Asia and Southeast Asia. 4) Do not train with only 1 or 3 springs for uniform force and longer lifespan. 5) Please keep cleaning and caring after traning

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