Thumb Trainer Thenar Muscle Exerciser Hand Press Training Tool for Grip Strength Workout(Yellow)

Thumb Trainer Thenar Muscle Exerciser Hand Press Training Tool for Grip Strength Workout(Yellow)

• Professional thumb trainer to improve thumb mobility and strength
• Increasing hand thumb flexibility, relieving joint stiffness, increasing range of motion, and increasing circulation for thumb pain relief
• Below the thumb (thenar muscle) training tool to build a better grip
• Pneumatic resistance, no need to replace the spring
• Handle length 3 1/2" × diameter: 1 1/4"