Product name: barbell boardBarbell classification: Rubberized barbell pieceChoose by fitness effect: Comprehensive fitness exercisesWeight: total weight 2.5KG, 5KG, 10KG, 20KG, 30KG, 40KGMaterial: cast iron + rubber + metal1.25KG: thickness 1.8CM, diameter 20CM, aperture 5CM2.5KG: thickness 2.6CM, diameter 23CM, aperture 5CM5KG: thickness 3CM, diameter 27CM, aperture 5CM10KG: thickness 3.5CM, diameter 34CM, aperture 5CM15KG: thickness 4CM, diameter 37.5CM, aperture 5CM20KG: thickness 4.5CM, diameter 42CM, aperture 5CMNote:1. Before buying, please check the size and color.2. Please note that there may be slight color difference due to different monitors, please understand.➤ Delivery time is 10-25 days➤ If you still cannot receive your order within 30 days, please contact us.➤ If you need other styles, please contact me.➤ There are various styles and colors in our shop, you can go to my shop to check.➤ We believe that we can meet your needs with high-quality products. If you find any problems with our products, please feel free to contact us by email to solve the problem.