These items are 18” long with a 3/4 “ hole to fasten them. The set screws turn easily by hand. This came off a Cape Cod house in 1991 after hurricane Bob came through. The rest of the weathervane was damaged and needed repair. The E representing East has a slight bend to it. I got these off a job that I was working on tight after the hurricane. They weigh about 2 pounds 11 ounces.