Arm Strength Chest Expander Spring Exerciser with Adjustable Resistance

EASY & SAFE ADJUSTABLE:With a safety magnetic lock, you can set the resistance from 66,88,111,133 Lbs. This will let you adjust the resistance that match your ability , you can increase the tension as you gain strength Perfect for athletes, gymnastics, MMA, boxing and people that do rock climbing.
 
ADJUSTABLE HAND EXERCISER KIT: Great trainer tool to develop your grip and build strength in your fingers, wrists ,forearms,rear arms,chest ,shoulder and back. Improve arm flexibility and muscularity Recommended for physical therapy !
 
ERGONOMIC DESIGN : Fit large and small hands, men and women and above 18years teens help them build the health & beautiful life.
 
GRIP STRENGTHENING :Great equipment trainer for anyone who is recovering from hand injury Those who have rheumatoid arthritis, tendinitis, carpal tunnel, tennis elbow.
 
BEST ECONOMICAL & EFFECTIVE: Health is No.1, beautiful is No.2 for everyone life.