The Defender Security Keyed Window Sash Lock is used on aluminum, vinyl and double-hung windows. The lock is constructed of heavy-duty zinc die-cast for strength. The lock features a childproof design ensuring that the lock can only be opened with a key (included).
- Compatible with vinyl aluminum or wooden double-hung windows
- Zinc die cast construction lends strength and durability
- Unlocks only with a key (included)
- Installation screws included