2R78 By key, outside only, deadbolt throw 9/16".
2R78 1/4 By key outside and inside.
2R79 By key outside, thumb turn inside.
MATERIAL: Bronze, brass or stainless steel armored front. Bronze bolt. Annealed gray iron case, japanned inside and outside.
FRONT: Flat front, reversible. Beveled front available to order, specify hand.
STRIKE: Bronze (not furnished - as ordered only at extra cost). Wrought box available to order.
Optional R278 Escutcheon Plate sometimes used with 2R78 Deadlock.