The i-CE Locking Systems # SB 5Lever Sashlock is a security feature commonly used for internal and external door applications, featuring a 63mm case size. This sashlock includes a blue-coated lock body with a recognisable 1121 marking and a brass-plated forend and strike plate, ensuring a classic finish that complements various door styles. The lock is designed to work with lever handles and facilitates both locking and latching functions, providing added security and privacy. It bears approval markings, including CP 5531, which suggests quality assurance and reliability.