All the leveling casters LINCO offers comes with a metal plate mount to create a strong and durable mounting platform to any surface or object. Our leveling casters are so easy to use that the levels can be applied and repelled simply using your feet or fingers. As a result, you are guaranteed a quick, solid, and level surface without the use of tools. LINCO adjustable casters also come in a variety of sizes to assure proper fit to complete or repair any project. Our adjustable caster wheels come with either solid metal or plastic housing frames to cater to either heavy or light duty applications. With the various sizes, colors, materials, and leveling styles you can be sure that LINCO leveling casters are a perfect for any residential, commercial, or industrial application.