Marks New Yorker mortise entry lock and handle set.
Handle set has lock cylinder on outside and thumb turn on inside.
The single cylinder with thumb turn dead bolt provides excellent security.

This set includes installation hardware and 2 keys for convenience.
Backset: 2-1/2"
Mortise Lock Body: 3-3/8" x 5-1/2"
Mortise Lock Faceplate: 1-1/16" x 7-5/8"
PZ: 3-11/16"
Exterior Backplate: 2-3/4" x 10"
Interior Backplate: 2-1/4" x 7"
SC1 Keyway
Handed: Right Hand/Left Hand Reverse

Finish Options:
Polished Brass
Brushed/Satin Chrome

Priced and Sold as a set