Ultimate Hand Grip Strengthener – Improve Forearm And Finger Strength For Better Performance And Endurance

Describe:
Material: Steel and sponge
Color: black blue, black red
Size: 9*12.5cm 3.5*4.9in
Feature:
-100% brand new and high quality.
-Comfortable grip and control.
-This is a great accessory to help you adjust and build your strength. Especially works well on your arms.
-Spring coil resistance helps increase your power.