■ Contents Finger Stretcher (Black + Gray) Wristband ■ Strength Adjustment Black: 13LB/17LB/21LB Gray: 6.6LB/8.8LB/11LB ■ Size Length 12cm x Width 11cm / Hole Diameter 1.8cm / Height 2.8cm The hand trainer has 6 adjustable resistance levels, allowing you to gradually increase the difficulty as your grip strength improves. It works on the strength, dexterity, and endurance of each finger, either individually or as a set, through hand exercises. Ergonomically designed, compact and stylish. Suitable for all ages and finger exercises. The hand trainer is compact in size, making it easy to use anytime, anywhere, and is perfect for use at home, in the office, or while traveling. A multifunctional project that can relieve stress while enhancing finger extension ability. Anyone can easily strengthen their hand and finger muscles. It has a wide range of uses, including musicians, rock climbing enthusiasts, people with insufficient training, and students. #Products from Mikan Shop 2-5 ..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*.. * Immediate purchase welcome, silent purchase OK ◎ * Welcome to bulk purchases, feel free to comment * Please see the actual photos for the condition of the product. * We check before shipping, but if there is a defective product, please consult us before evaluation. We cannot respond after evaluation. * Unused, opened for inspection and photography. * Please understand the simple packaging and recycled packaging. ..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*.. Hand Grip Finger Trainer Finger Training Grip Strength 6 Adjustable Resistances 6.6-21LB Gripping Device Finger Exerciser Kit Finger Strengthening Finger Training Finger Forearm Wrist Functional Recovery Muscle Training Stress Relief Elderly Men and Women Finger Exercise Equipment 2 Finger Stretchers Black Gray Wristband 2 Sets Bundle