Tell Manufacturing DC100033 15543 Duro Closer, Grade 3, Size 3 Tell DC100033 15543 Size 3 Grade 3 Duro Closer fits interior doors that are 3-feet and 2-foot 6-inch 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 degrees. Features Size 3 spring Fits 3-foot interior and 2-foot 6-inch exterior door Same hole pattern as Norton 9300 and Yale 2300 series Up to 180 degree door range USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.