Rebound Arm Exerciser Trainer 2-in-1 Count Spring Grip

Rebound Arm Exerciser Trainer 2-in-1 Count Spring Grip. 2-in-1 Design: Combines hand grip and arm strength workout in one unit. Adjustable Resistance: Handgrip resistance adjustable from 10kg to 100kg. Customized Service: OEM service available with professional design team for samples or drawings. ISO Certified: Product meets ISO certification standards for quality assurance. Free Sample Available: Free samples provided, customer only pays express fee. Durable Material: Constructed with ABS, Spring, and TPR for long-lasting performance. Factory Direct: Sold directly by original factory, not a trading company.