1.cresent lock is used in the aluminum profile sliding window
very convenient to lock & open
2.Preety design and good price

1.cresent lock is used in the aluminum profile sliding window
very  convenient to lock & open
2.Preety design and good price

3.The whole set is casement lock and hook together, the hook can be customized.

4. Durable and safe.

5. Any color can be available.

6.Material is zinc alloy and aluminum

7.double side