Yale YS170 Upvc Door Lock Case Gear Box Only Split Spindle Type. This Yale YS170 door lockcase allows you to use a Lever/Lever handle or a Lever/Pad handle. This lock has a split spindle. If the split spindle is used, the spindle allows the door lock to be locked and unlocked but it will not operate the latch (snek) on the gearbox from outside without turning the key.
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