Features:OOTDTY brand new and high qualityAdopting heavy duty aluminium alloy material, solid, durable and corrosion resistant.Smooth floor and beautiful, smooth to clean.Easy to set up, no installation is required.These bearings can be screwed or fixed as they have via holes and pre-drilled holes.for Ideal for cake decorations, stand, electronic repair, sculpture base, catering services, display, serving.Specifications:Material: Aluminum Alloy12 Inner Diameter: Approx. 24.5cm/9.65inch12 Outer Diameter: Approx. 30cm/11.81inch5 Inner Diameter: Approx. 8.5cm/3.35inch5 Outer Diameter: Approx. 14cm/5.51inch8 Inner Diameter: Approx. 14.5cm/5.7inch8 Outer Diameter: Approx. 20cm/7.87inch10 Inner Diameter: Approx. 19.5cm/7.68inch10 Outer Diameter: Approx. 25cm/9.84inchThickness: Approx.8.5mmPackage Includes:1 Table BearingNote:1.Please allow 1-2cm errors because of handbook measurement, just remember to don't intellect before you order. 2.Due to the adaptation between assorted monitors, the picture won't reflect the actual colour of the item.