Union c series 3k75 5 lever mortice rollerbolt sashlock
Union c series 3k75 5 lever mortice sash lock in the non british standard version of the popular chubb 3k74 mortice sash lock available in two sizes and two different finishes this lock replaces the chubb 3k75 directly operation deadbolt is locked or unlocked by key from either side roller latchbolt withdrawn by lever handle f