مقوي قبضة اليد من جي دي، قبضة حديدية خفيفة. 80، مقبض يد قابل للتعديل (25-80 كغم)، مقابض يدوية للقوة ...

[Adjustable resistance] Why limit your progress by using the same level of resistance day in and day out? Try GD IRON GRIP, the perfect hand grip strengthener. You can effectively improve your grip and hand strength by adjusting the resistance from 55 to 176lbs in 6 stages. You can also change the grip width in 3 stages to modify the range of motion when closing.
[Incredible build quality] Made with aluminum handles, strong compressing springs, and 4T iron; GD Iron grip is sturdy as a tank. GD aims for high quality and perfect craftsmanship. This durable and safe hand strengthener is the only grip strength trainer you will ever need.
[6 in 1] Combines 6 grip strengtheners in 1 single gripper. Just adjust the lever and easily change the grip resistance that is suitable for your level of strength and training goal. All you need is a single GD Iron Grip, instead of buying 6 different hand strengtheners.
[Completely Silent] Hand workout can be done anywhere at any time. Without the disturbing squeaks, you can perform hand, grip, wrist, and forearm workouts where ever you want.
[ONLY one hand grip strengthener in the world] All GD's products are designed, developed, and manufactured in our own facility in South Korea. GD Iron Grip is PATENTED(NO. US 9,415,262 B2) to protect and provide the best service our customers deserve.