3-PACK Prime-Line Aluminum, White Finish, Sliding Window Security Lock (4-pack)

This is an extruded aluminum lock with steel thumbscrew. Used on metal horizontal sliding windows. Allows you to lock window in the closed or ventilating position.

• Used to secure sliding window in a closed or ventilating position
• Thumb turn screw secures lock in place
• Fits up to 1/8 inch thick rails
• Extruded aluminum with a white finish
• Easy to install
• Used as a secondary lock
• No tools required for installation