Durable aluminum roof mount which fits Good Directions Garden and Cottage size weathervanes Easy to adjust and install Accepts up to 3/8" diameter weathervane rod For larger weathervanes with a larger rod (up to 3/4" diameter rod) use Good Directions 401AL Roof Mount (sold separately) which fits our Standard size weathervanes Dimensions: 9-Inch L x 2-1/2-Inch W x 5-3/4-Inch H