4 1/2 Inch Solid Brass Extendable Baseboard Door Bumper - this door bumper is constructed from solid brass and measures 4 1/2 inches long at full extension. Includes 3 inches long bumper piece with 1 inch long extender. The base has a projection of 1/2 inches and a diameter of 7/8 inches. It comes in a variety of finishes, including Oil Rubbed Bronze (shown), Satin Nickel, Matte Black, and Polished Chrome. Comes complete with mounting hardware.