MaterialsThis Pull Up Grip Ball is attached with metal carabiner, sturdy and strong hardened. Comfortable to hold, and the webbing is wear resistant, designed to withstand hard workoutsVersatile Fitness Training Tool Grip BallClimbing pull up ball hold grip can be used for various exercises such as pull ups, arm muscle training, forearm strength exercises, wrist and grip strength trainingCompact SizeWith a diameter of 7cm or 9cm(Size Optional), this fitness training ball is compact and portable. Easy to carry around so you can continue your workout routine wherever you goExercise Equipment Grip Gym Exercise Handle GripPull-Up Handle is great addition to the home gym, pull up bar, squat rack, lat pull downsWide ApplicationStrength Training Attachment Grip Ball is great for home and gym use, ideal for pull up assistance Specification: Material: PU, Nylon, Steel Size Chart: Ball Diameter: 7cm/2.76inchorBall Diameter: 9cm/3.54inch Package Includes: 1 Piece Pull-up Handle Grip BallOr2 Pieces Pull-up Handle Grip Balls Note: Please allow slightly errors due to manual measurement and different monitors.