ISO Tension Power Exerciser

Arm Rod Spring Exerciser! Great for working out wrists, forearms, arms, shoulders and muscles. Please use it away from the crowd 2 meters. After a long time use the biceps device, if you find crack on the device, please stop use it for your safety 【Fitness Wrist Strength Trainer Arm Strength Stick】Strong torsion bar is made of plastic and stainless steel spring, excellent grip and non-slip design. It can avoid spring damage. Easy to pick up and get some strength training reps in without a full gym routine. Get a killer chest workout, a punishing deltoid, back, and shoulder workout, and build your biceps with the ultimate home arm workout equipment 【Features】This upper body workout equipment makes your workout fun and is perfect for building upper body strength. The spring is usually heavily wound to provide resistance. This upper body workout equipment makes your workout fun and is perfect for building upper body strength. Easy to carry, convenient for exercise, office, school, home, travel, etc