Made with Aluminum handles, Strong compressing spring, 5T iron. High quality, Superbly Engineered and Perfect craftsmanship, high-quality, solid & more importantly, adjustable - Probably the only gripper you'll ever need.
All man can close the first stage, but not all can close the last stage. If you are pro athlete or just normal man or even you are little bit strong women, it doesn't matter. Because you can adjust the resistance of the gripper for your own strength! DO NOT BUY 6 grippers with other resistance. You can do your customized exercise according to your own strength with ONLY GD IRON GRIP 80 Light.
It's sturdy yet silent, & its spring does not squeak nor make weird noises. Train even in silent library if you want, without pissing off people around you.
*GD IRON GRIP is protected by PATENT issued by the US government(PATENT NO. US 9,415,262 B2). And this product is under GD brand which is registered on Amazon Brand Registry. It is forbidden to resell the item on Amazon without permission of GD official.