Item Type: Pull Up Ball Grip Product Material: PU, 304 Stainless Steel, Polyester Ball Diameter: Approx. 9.7cm / 3.8in Scope of Application: Indoor and Outdoor Bar Training Package List 2 x Pull Up Ball 2 x Quick Release Hook 2 x Webbing Loop Manual measurement, please allow some errors. 1Multi Functional: Pull up ball grip and suspension straps increase forearm, grip strength, boost, climbing training and explosive power. 2Non Slip: The pull up ball grip has non slip texture and maximum grip. Premium PU material, comfortable to touch, wear resistant and durable. 3Easy To Install: Pull up ball handle is equipped with stainless steel hooks and reinforcement straps for easy use. Perfect for men and women. 4Application: No location restrictions, can be attached to any pull up bar, including door side posts, rack system pull up bars or can be used with loading pins. 5Multipurpose: This pull up ball hold grip is not only suitable for general fitness, but also for extreme sports, such as climbing and wrestling.