Heavy duty 18" diameter Texas Star made from 3/16" thick plate. If you have problems with vandals, this is the star you need...It's sturdy enough that they can't hurt it and has special mounting bracket on the back that utilizes 1/2" bolts for mounting. The seams on the back side are fully welded. These are handmade in our shop. Free shipping to US lower 48 states. Call or email to discuss your custom order.