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Ives No. 256 Extension Flush Bolt (Narrow)

Used in double door applications to keep the inactive door closed. Typically requires 2 per inactive door. Bolt is concealed when active door is shut. Active door must be open to unlock bolt. Only 3/4 inch wide - can even be used on doors only 1 1/8 inch thick. Comes standard with 12" rod. Uses standard 1/4-20 threaded steel rod for lengths other than 12".

Discontinued by Ives.