Tell Manufacturing Door Closer, 180 deg Door Opening, Cast Aluminum,

600 series Grade 1 cast aluminum door closer. Non-handed with adjustable (1-4) spring power, back check and closing speeds. Fits interior doors 2 feet, exterior 3 feet. Tri-pack - regular, top jamb & parallel arm applications - 180 degree range. Forged steel main arm accommodates reveals up - to 3-1/4" - adjustable extension arm. Includes metal & wood installation screws. Same hole pattern as Norton 9300 and Yale 2300 series.