Series 8300. Heavy-duty commercial rim exit device. Aluminum. Performance: Complies with ANSI A156.3, 1994. Grade 1. UL listed. Door range: Thickness 1-3/4" to 2". Door width: 28" to 36". Backset: 2-3/4". Strike: 416 strike and exterior blank pull included. For use with wood or metal doors.