Description: 【Anti Slip Design】: The texture design on the surface of the bar bell base enhances the friction with the ground. It is nonslip, stable and does not hurt the floor, ensuring stability during workouts 【Rubber Material】: The bar bell base ball is made of rubber, wear resistant, flexible, and sturdy enough to hold the weight of a bar bell. Helps you do more total body strength training 【Fits 2.36 Inch Bar】: Height 15.5cm/6.10inch; Bottom diameter 9.5cm/3.74inch; Top hole diameter 6cm/2.36inch; Easy Installation; This compact fitness tool is easy to store and carry, making it an ideal addition to any workout space without taking up too much room 【Full 360 Degree Swivel】: Full range swivel up and down for variety of exercises. Great for total core workout: biceps, back, shoulders, , hamstrings, and much more 【Great for Strength Training】: Acting on angled bar bell facilitates movements that are simply impossible with a traditional bar bell or dumbbell. can increase the difficulty of many exercises such as Deadlifts, Squats and Single Arm Rows, and Presses Specification: Material: Rubber     Size Chart: Height 15.5cm/6.10inch; Bottom diameter 9.5cm/3.74inch; Top hole diameter 6cm/2.36inch Package Includes: 1 Bar Bell Base Ball Note: Please allow slightly errors 1-2cm differences due to manual measurement.