QCAA Heavy Duty Keyed Sash Lock ChildProof Security Only Unlock with Key CTC 177 Matte Black 4 Pack Made in Taiwan

NONTURNING 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 34 Screw hole center to center 177 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 34 of an inch thick The window will not open if the top window pane is not 34 of an inch thick.