SWERV Window Locks (Recommended for Security, Safety, Sealing, and Stability) 2-Pack

Clamp-on window locks attach to vertical and horizontal sliding windows to enhance security, prevent accidental movement, and maintain a tight seal for SWERV installs.

• Makes it harder for someone to slide the window open from the outside.
• Helps prevent kids or pets from shifting the window.
• Keeps the window tight against SWERV for better sealing and insulation.