The ERA Metlock utilises a high tensile steel bolt to prevent the handle from moving.
- No drilling or screws required
- Suitable for most types of cockspur handles
- Key required to Lock and unlock
- To be fitted to Metal type windows
- 2 bolts supplied and 1 key
- Lock body slides between window handle forks, the key is used to tighten the steel locking pin against the window frame preventing movement of the handle