The No 7641 full mortise auxiliary bolt is designed specifically to secure pocket doors. It can be configured to operate cylinder-by-cylinder, cylinder-by-thumbturn, or thumbturn-by-emergency release. When ordering, specify a backset of 2-1/2", 2-3/4", 3-3/4", 5", or 6''. All Nanz plated and patinated finishes are available.
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