Dimensions: 16 inch(1 piece). 10MM thickness, greatly improving the capacity of the skip.HIGH QUALITY MATERIAL: The tray is made of solid aluminum alloy, durable, corrosion and rust resistant. You can choose from premium materials such as wood, glass and marble to match your interior style. Non-slip rubber feet: Equipped with non-slip rubber feet, non-slip and easy to use. These bearings can be screwed in or clamped in as they have through holes and pre-drilled holes. Easy to install, no installation required.NOTE: Ball bearings use rolling elements to keep moving parts separated to reduce rotational friction and support radial and axial loads, while sealed bearings are oil lubricated, so you need to relubricate them periodically depending on ;use.Wide uses: Can be used on tables, corner cabinets, storage solutions, tableware, magazine racks, TV and computer monitor trays, flower arrangements, interior decoration cakes and trade shows. Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain difference color, the actual item received shall prevail.