Description: 【Anti Slip Design】 : The texture design on the surface of the barbell base enhances the friction with the ground. It is nonslip, stable and does not hurt the floor, ensuring stability during workouts 【Rubber Material】: The barbell base ball is made of rubber, wear resistant, flexible, sturdy enough to hold the weight of a barbell. Helps you do more total body strength training 【Fits 2.56 Inch Bar】: Height 16.5cm/6.50inch; Bottom diameter 10cm/3.94inch; Top hole diameter 6.5cm/2.56inch; 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 barbell facilitates movements that are simply impossible with a traditional barbell or dumbbell. can increase the difficulty of many exercises such as Deadlifts, Squats and Single Arm Rows, Presses Specification: Material: Rubber   Size Chart: Height 16.5cm/6.50inch; Bottom diameter 10cm/3.94inch; Top hole diameter 6.5cm/2.56inch Package Includes: 1 Barbell Base Ball Note: Please allow slightly errors 1-2cm differences due to manual measurement.