Description: Antislip Design : The texture design on the surface of the barbell bar row enhances the friction with the ground. It is nonslip, stable and does no hurt the floorQuality Bar Row for Barbell: The barbell bar row ball is made of quality Rubber, flexible and enough to hold the weight of a barbell. Helps you do more total body strength trainingFits 1.97 Inch Bar: Barbell bar row base is 5cm/1.97inch diameter. Installation is very simple without fixing screws and boltsFull 360 Degree Swivel: Full range swivel up and down for variety of exercises. Great for total core workout: traps, biceps, back, shoulders, hamstrings, and much moreGreat 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 Specification: Material:Rubber Size Chart: 16.6cmx10cm/6.54inchx3.94inchDiameter 5cm/1.97inch Package Includes: 2 Barbell Bar Row Base Note: Please allow slightly errors due to manual measurement and different monitors.