QCAA Heavy Duty Keyed Sash Lock, Child-Proof Security, Only Unlock with Key, CTC 1.77", White, 2 Pack,

• 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