Material: The rotary bearing turntable is made of heavy-duty aluminum alloy material, which is strong, durable and corrosion-resistant. The surface is smooth and beautiful and easy to clean. Turntable Bearings: A neat row of bearing balls makes the lazy Susan spin more smoothly. It comes with non-slip rubber feet. You can remove the rubber feet and screw in the turntable as they have through holes and pre-drilled holes. Wide range of applications: This heavy duty rotary bearing turntable is easy to set up and requires no installation. Great for cake decorating, tv monitor stand, electronics repair, sculpture base, food service, food display, serving. Precautions: Rolling bearings use rolling elements to maintain separation between moving parts to reduce rotational friction and withstand radial and axial loads, and sealed bearings are oil-lubricated, so they should be regularly re-lubricatedaccording to usage.