This Defender Security Brass-Plated Keyed Window Sash Lock features a child-proof design with an integrated lock that requires the included keys to open. The sash lock may be used on double-hung windows with aluminum, vinyl or wooden frames.
- For aluminum, vinyl or wooden double-hung windows
- Heavy-duty zinc die-cast construction plated in brass
- Only unlocks with the provided key for added child safety
- Includes screws for installation