Premium Material: This barbell bar adapter sleeve is made of premium PP material, strong and durable, not easy to damage,ensuring your fitness process safe and worry-free
Diameter Change: This dumbbell barbell converter bar is adapter bar sleeve can change the barbell bar diameter, change the 25mm bar diameter to 50mm,so that you can easily adapt to different sizes of barbell pieces
Professional: Dumbbell to barbell converter can change the barbell bar diameter to fit more barbell pieces, also can be used for weightlifting bed to meet your diversified fitness needs
Easy to Install: This dumbbell converter includes 1 hex wrench, so you can install the olympic adapter sleeve more easily and DIY your fitness equipment without extra tools or complicated operation
Wide Application: This olympic adapter sleeve with a 5cm diameter, this post adapter sleeve will fit most old style barbells, curl bars and plate loaded weight machines
