Description: Material: The Grip strengthene is made from polyester fiber, and latex materials ensuring durabilityPortable Hand Massager for Enhanced Grip Strength: This compact and portable Hand Gripper Strengthener is designed to improve your grip strength effectively. It's ideal for those looking to enhance their hand muscles and overall grip powerAdjustable Pressure: Users can easily adjust the pressure of the Finger Strengthener according to their personal needs, making it suitable for individuals at different stages of or those simply looking to strengthen their handsVersatile Use: Ideal for strengthening fingers, this Hand Extension Exerciser supports patient daily training, palm massage, wrist fracture recovery, and exercisesFeatures: With its portable design, you can carry this grip trainer anywhere to ensure consistent exercise routines that strengthen your fingers, arms, and wrists Specification: Total Length 57cm/22.44inchTube Diameter 0.8cm/0.31inchGrip Bar Length15.5cmx5.5cm/6.10inchx2.17inchValve 7cmx4.5cm/2.76inchx1.77inch Package Includes: 1 SetGrip Strengtheners Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.