Matt Black 3 Lever 63mm Mortice Sash Lock Introducing our high-quality mortice door sash lock cast from high quality iron material comes with premium matt black finished face plate and strike plate.The sash lock CE approved ensures robust quality and durability of the product for a long life use. This sash lock is designed to use with lever lock door handles and mortice knobs where key locking security is needed. The door bolt locking function enhances security and protect your valuables and property.· This lock is offering precision locking with an upgraded level of security as it comes with fire rated protection.It is essential to help prevent the spread of fire by ensuring the door remains closed in its frame in the event of a fire.