This window lock is constructed from aluminum and includes a tamperproof double hex security screw. It features additional gripping power that securely locks window in closed or ventilating position. It helps to prevent accidental opening.

• Heavy duty cast metal with tamperproof double hex security screw and wrench
• Additional gripping power securely locks window or door
• Hex screws prevent accidental opening by children
• Easy to install no tools required

Heavy duty cast metal with tamperproof double hex security screw and wrenchPrime-Line Products (Home Improvement)