The i-CE Locking Systems # GMT 5Lever Sashlock is a robust locking mechanism designed for enhanced security. It features a 5-lever sash lock system, which provides a high level of security for doors requiring a British Standard quality lock. This lock is suitable for external and internal doors and is specifically crafted to be durable and reliable. This model is 75mm in size, making it adaptable for a variety of doors. Its blue body with branding and certification marks, along with a polished brass forend, provides both visual appeal and functional durability.