new and high quality Made of high-quality materials, ,Made of PP, the barbell adapter sleeve is sturdy and , reliable, wear and has a long service life. Change Diameter: The adapter sleeve can convert barbell rod diameter from use it to meet your needs. Convenient: The black barbell adapter sleeve can convert barbell rod diameter, so that your barbell can fit more barbell plates with different sizes. : The PP adapter sleeve is equipped with fastener, which can effectively prevent the barbell plates from or loose, convenient and safe to use. Wide Application: The barbell diameter adapter sleeve is suitable for gym, fitness center, home and other places, a wide range of application. Colour:black Material:pp size:50x200mm Package Contents: 2 * Reducing Sleeve 1 * wrench 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.