GD IRON Grip EXT.P 80(Rock Climbing Trainer) Strength Trainer Adjustable Hand Strengthener (55 176 lb) Exerciser Wrist Strengtheners for Finger Training

[The best trainer to enhance your grip strength] 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. [Essentials for climbers] GD IRON EXT.P 80 (GD IRON GRIP EXT 80 + Pinch Grip Set) is a great tool for strengthening your finger strength. [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. [Extension Add-ons] Extend the length of the handles to fine-tune your grip strength training. The included extensions allows you to shift hand placements and lower the resistance needed so you can effectively enhance your grip strength and step up to the next level. [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.