YZLSPORTS<br> Name: professional grip <br> Spring: Metal <br> Intensity： <br> 50 pounds =22KG (Volkswagen entry type. Suitable for the elderly or women in the elderly training <br> 100 pounds (=45KG seldom exercise people. Adult men.) <br> 125 pounds =56KG <br> 150 pounds (=68KG exercise often need to strengthen professional training for 1 years) <br> 175 pounds =79KG <br> 200 pounds =90KG (2-4 professional training) <br> 225 pounds =101KG <br> 250 pounds =113KG (3-5 professional training) <br> 275 pounds =124KG <br> 300 pounds =138KG (Professional) <br> 325 pounds =146KG <br> 350/ pound =158KG the average person is grip (350 pounds of spring is gold. Other are black <br> Weight: 200 grams or so (100LB weight 202g, 150LB weight 205g, weight in order to increase 5g or so) <br> Package: 1 X Hand Grip <br> After sales: 3 years warranty. Free for new. <br> The main purpose: to exercise the muscles of forearm wrist grip wrench climbing climbing strength badminton table tennis basketball weightlifting school examination and so on a series of training. Recommended that the number of pounds to use the right hand is different. <br> Heavy Grips Hand Exercisers - Hand Grippers for Beginners to the Most Seasoned Professionals The Heavy Grips hand gripper series was developed for athletes who want to take the training of their grip strength to the next level. These high quality aluminum-handled hand-grippers are crafted with 50 inch-force-lb torque increments from 50lbs to 350lbs so that you can train your grip similar to training any other bodypart-- by increasing resistance. This will finally allow you to build the huge forearms and crushing grip you have been unable to achieve by doing endless reps with plastic-handled hand-grippers.<br>