8828-PN Crescent thumb turn or turn piece for mortise locks and deadbolts Finish/Color: Polished NickelMaterial: Solid BrassDimensions: 1-1/2 diam.Finish Options: BN | OB | PB | PN | PLTimeline: Late 19th Century, Early 20th Century SKU: 8828-PN Categories: Door Hardware, Door Hardware Tag: Polished Nickel Description Description Crescent thumb turn for locking doors on the inside. Stamped brass raised round plate. In 5 finishes. Old style thumb turns for mortise locks, night locks, catches etc. Round plate diam.: 1-1/2″ Spindle: 3/16″ square , 1-1/4″ long