Feature: 1. Strengthens Upper Body Muscles and Grip: The pull up ball grip is specifically designed to enhance upper body muscle strength and improve grip. It targets the muscles in the arms, fingers, and upper body, helping you build a stronger and more powerful physique. 2. Multifunctional Training Equipment: This versatile training tool can be used to train arm strength, finger strength, and upper body muscle groups. Its diverse range of exercises, including squeezing, gripping, and stretching, contribute to improved flexibility and strength in the fingers and hands. 3. Durable and Reliable: The pull up ball grip is made with high strength materials, ensuring long lasting use without damage. Its durability and reliability make it a dependable training accessory that will withstand rigorous workouts. 4. Portable Design: With its portable design, the pull up ball grip is convenient to carry and use. It allows you to engage in arm strength training anytime, anywhere, making it a perfect fitness companion for those on the go. 5. Effective Pull Up Technique: These pull up balls enhance finger, hand, wrist, and forearm strength. Suitable for both men and women, fun and ergonomic, adding effectiveness to your daily exercise routine. Specification: Item Type: Arm Strength Ball Material: EVA+Stainless Steel+Nylon . Package List: 2 x Ball 2 x Hanging Strap