GLOSSARY 28 degree latch:A latch that requires less rotation on the handle to disengage the latch mechanism. Useful for people with ergonomic concerns, like users who suffer from arthritis. Backset:The backset is the distance from the edge of the door to the center of the 2-1/8″ bore hole. In the U.S. there are two common backsets for residential locks, 2-3/8″ …
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