The i-CE Locking Systems 5 Lever Sash Lock is a high-security door lock designed to meet British Standard BS3621 requirements. This particular model has a 63mm size, which is suitable for a range of door thicknesses, and it features an electro brass plated finish for an attractive and corrosion-resistant surface. Additionally, this lock is fire-rated for 60 minutes, making it suitable for use on fire doors. It is also reversible and can be easily adapted for left or right-handed inward or outward opening doors. As an insurance-approved security feature, it is incorporated with a 5 lever locking mechanism, which provides a higher level of security compared to standard 3 lever locks. This sash lock is also Secured by Design approved, indicating that it meets police-preferred specifications for security products.