Composite & Timber Door Match. This Yale YS170 door lockcase with 45mm backset allows you to use a Lever/Lever handle or a Lever/Pad handle. This lock has a split spindle. When the split spindle is used the seperate split spindle allows the door lock to be locked and unlocked but does not operate the latch (snek) on the gearbox from outside without turning the key.
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