NON-TURNING KEY: When the key inserted into the keyhole, the thumb turn and cam both are released allowing to be rotated as open or closed. To lock the device in the open or closed position, just simply remove the key from the sash lock.
***For Aluminum, Metal , Wooden Windows or Thicker Window Panes; The Top Window Pane Should be 3/4"***
Screw hole center to center 1.77"
***Before placing orders, please make sure the specification fits yours.***
Zinc Die Cast Construction
Note: ***Product may only work on wooden or thick window panes, the latch piece is 3/4 of an inch thick. The window will not open if the top window pane is not 3/4 of an inch thick.***