All windspinners are made out of solid steel construction with a powder-coat paint finish. All have stainless steel drive system with sealed bearings, grease zerk & stainless steel swivel. Signs have a universal base to mount on post or you have option to purchase a ground stake. Signs are designed to be animated when propeller turns in the wind, sign will turn 360 degrees and is sure to get your attention! You can also have these custom made! Price includes shipping!