This Heavy-duty extruded aluminum with double thumbscrew adds additional gripping power to securely lock windows in closed or ventilating position. They are easy to install. Heavy-duty extruded aluminum with double thumbscrew adds additional gripping power to securely.
- Use with metal-framed sliding doors and older style, metal-framed sliding windows
- Note: These locks are for use on sliding patio doors and windows whose metal fins measure 1/4 in. or thinner
- Each lock features a pair of counter thumb turn fasteners for adding a strong, sure hold
- Heavy-duty cast-metal construction with tamper-resistant double thumb turn screws
- This high security sliding patio door and window lock comes in a white-painted finish
- Easy to install in less than 10 minutes
- Used on a variety of sliding patio door systems, in addition to some older horizontal sliding windows
- For further dimensional information, please see the line drawing












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