Made from strong aluminum, this windmill will never ever get rusty! The 30” fan blade turns easily on ball bearings. The fan blades have grease zerts that make for easy lubrication. Some assembly is required and a Phillips screwdriver and 3/8” wrench are needed. This stately windmill features a 34.75” square base and stands 10 feet tall. Ground anchors are included. Ships UPS. Some assembly required.