The Ridge Vent Adjustable Roof Mount allows for up to 6 additional inches in height compared to the standard roof mount. Durable aluminum roof mount will be as long lasting as your weathervane . Can be easily adjusted to fit your roof or cupola. Fits most standard size weathervanes; accepts up to 3/4-inch diameter weathervane poles.Mounting plates measure: 3.75 inches x 3.75 inches with 4 mounting holes per plate Stainless steel, rust-proof screws for mounting are included Dimensions: 10 inches high x 7 inches wide x 12 inches long Material: SteelAssembly: AssembledExact Color: BlackColor: Black