Prime-Line U 9819 Aluminum, Sliding Window Security Lock (4 Pack)

WINDOW LOCK – Use this lock to secure metal horizontal sliding windows in a closed or ventilating position, SECURE – The thumb turn screw of this sliding window lock secures the lock in place, INSTALLATION – Easily install this secondary lock with no tools required, DIMENSIONS – The secure lock has a natural finish and can fit up to a 1/8 inch wide rail, NOTE – Please refer to the line art drawing for dimensions and compare with your needs before purchasing