The Rockwood 608 DuraFlex gray rubber door silencer helps quiet a metal door when it swings open. The pull measures 1/2" in diameter, has a length of 5/8", and mounts into a hole in the door frame. It meets American National Standards Institute (ANSI) A156.16: L03011 specifications.
Rockwood Manufacturing Company manufactures door hardware. The company, founded in 1946, is headquartered in Rockwood, PA.