Tell Non-handed Door Closer Upto 180 Deg Door Opening Cast Aluminum

500 series. Size 3 spring. Grade 3 Duro closer fits 3' interior doors and 2' 6" exterior doors. It has the same hole patterns as Norton 9300 and Yale 2300 series. The parallel arm is stamped steel and the rest is non-handed, cast-aluminum steel. The door range is up to 180?.