Rockwood #458.BRZ Kick Down Door Stop in Dull Bronze Finish. 4" Throw kicks down to hold door open. Cast Zinc body with DuraFlex Bumper. 3 Hole mounting. The replaceable DuraFlex bumper provides a reliable grip on the floor. Great for residential and commercial applications. Base: 1-5/8" x 1-7/8" Projection: 4".