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Prime-Line MP4000 Sliding Window Lock, 1 In., Heavy Duty, Extruded Aluminum, Mill Finish (4 Pack)

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$5.99

$ 2 .99 $2.99

In Stock
  • Securely locks sliding window in closed or ventilating position
  • Constructed of extruded aluminum with a steel thumbscrew
  • No tools needed to install
  • Can use a wrench to tighten but exercise caution not to over tighten and cause damage to your track
  • Utilizes single thumbscrew to mount on window track


This is an extruded aluminum lock that features a steel thumbscrew. Typically these locks are used on metal horizontal sliding windows. When in use these locks allow you to lock window in either a closed or ventilating position. Maintain the security of your home and allow some ventilation of your room. Each package contains 4 locks and screws so you can secure multiple windows.