The No 7400RL Series full mortise auxiliary bolt with roller latch, used in conjunction with an entry or privacy lockset, can be configured to operate cylinder-by-cylinder, cylinder-by-thumbturn, or thumbturn-by-emergency release. Also available as a full mortise roller latch for passage and closet.  The face plate measures 8"x1-1/4" with backsets of 1-1/2", 1-3/4", 2", and 2-1/4" available. All Nanz plated and patinated finishes are available.
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