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Defender Security

U 10551 Sliding Window Lock, Aluminum, Mill

Sku: 4407979-052303-28
$3.79
26 Available at SHIP TO STORE
Estimated Arrival On: 01/08/2026
Window Locks:Defender Security 10551 Sliding Window Lock

Extruded aluminum lock with no-mar vinyl insert to protect track of metal horizontal sliding windows. Finish by tightening thumbscrew with pliers to securely lock windows in closed or ventilating positions.

  • Single thumbscrew
  • All the necessary fasteners included for and easy installation
  • The thumb screw locking style allows for quick and secure installation, making it easy for anyone to enhance their window security

Material
Aluminum
Finish
Mill
Color
Silver
Dimensions
13/16 in L
Suitable for
Wide, Narrow Type Tracks
Includes
(2) Locks
Type
Sliding Window Lock

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