Progressive PGE2000-3 Brass US3 Finish Knob Bearing And Key Slot 2-1/4" X 7" Escutcheon Plate. A Brass New York Style Back Plate With Keyhole. This Brass New York back plate is a way to give your door a pure vintage style. At 2 1/4" wide, they work on pre-drilled doors, as well as with most antique mortise locks. Dimensions: 7" H x 2 1/4" W. Inside collar diameter: 5/8". Center to center spacing of keyhole to knob collar: 2 1/4". This plate is wide enough to use on pre-bored doors. Made in U.S.A.