Brass Elegans 116D CH Solid Cast Brass Contemporary 4-Inch by 10-Inch Floor Register, Chrome Finish Model Heavy solid cast brass construction will not bend or warp Powder coated adjustable steel damper with no exposed edges to rust is screwed to the faceplate for easy removal Durable high quality decorative finishes Outer dimensions of brass face plate are 5 inch by 11 1/8 inch fits 4 inch by 10 inch opening Attractive contemporary design