NON-SLIP CRAFT: Our Barbell ball set attachment for barbell are uniquely designed with non-slip technology that increases friction with the floor, ensuring stability during your workout and allowing you to focus on posture and movement PREMIUM QUALITY MATERIALS: The Barbell ball set attachment is made of strong natural rubber that is odorless and strong enough to withstand the weight of a barbell. The barbell is stabilized by the barbell mine attachment, preventing the barbell from slipping out of place WORKOUT ANYTIME: Rubber barbell Barbell ball set is suitable for all kinds of floors, including concrete floors, football field turf, rubberized gym floors, wooden floors and so on. Due to its portable and versatile design, it can be conveniently stored in your gym bag, so you can use it anytime, anywhere COMPATIBLE WITH 2 INCH BARBELLS: Our barbell Barbell ball set attachment is designed specifically for International barbell bars (50 mm). No additional tools are required to attach this barbell Barbell ball set attachment, just insert the 2 inch barbell into the sleeve and start working out 360 DEGREE FREEDOM OF MOVEMENT: The Barbell ball set barbell allows you to perform core exercises such as kneeling shoulder presses, rotational exercises, lateral lunges, arm rows and more, targeting different muscle groups to promote overall strength and conditioning training Color: Black Material: Silicone Package Contents: 1 x Rubber Barbell cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.