Description: 【Versatility】U shaped multifunctional arm strengthener supports muscle training, aerobic exercise, and strength workouts, targeting chest, arms, back, and core muscles for comprehensive fitness 【Precision】Equipped with a digital counter up to 999 reps and pressure value display, this adjustable arm strength training equipment ensures accurate tracking of your progress for more effective training sessions 【Adjustability】Easily adjustable resistance up to 20kg allows you to customize intensity levels according to your needs, making it suitable for both beginners and advanced users 【Durability】The U Shape Arm Exerciser constructed with double thickened steel springs and wrapped in high density NBR foam, the arm training equipment offers enhanced rigidity, resilience, and long term performance 【Comfort】The upper body strength training machine features a tough yet soft foam cover and flexible sleeve that prevent pinching of hair or skin during use while providing a secure and comfortable grip Specification: Material: Steel, foam Size Chart: 65cmx19cm/25.59inchx7.48inch Package Includes: 1 Adjustable Arm Exerciser Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.