Factory Direct Supply Cheap Price Digital Hand Grip Strengthener. Customizable Color: Color is customizable to meet specific design requirements. Built-in Counting Function: Features a digital display for accurate grip strength tracking. Durable ABS Material: Constructed from high-quality ABS for long-lasting performance. ISO, RoHS, CE Certified: Meets international safety and environmental standards. OEM and ODM Services: Full customization available including logo and design. Factory Direct Pricing: Competitive prices directly from the manufacturer. Versatile Usage: Suitable for both home use and gym training. Free Samples Available: Samples provided free of charge with shipping costs covered.