The GU-SECURY-N-MR 2 security mortise lock from G-U is a high-quality profile cylinder that has been specially designed for use in fire-resistant doors. With a robust stainless steel construction, this lock offers both security and durability. It is suitable for flat entrance doors and front doors and fulfils the requirements of resistance classes WK 2 and WK 3. The cylinder is equipped with a 2-turn bolt and two solid bolts, which provides additional protection. It can easily be switched to the left or right, which increases flexibility during installation. The GU-SECURY-N-MR 2 is a reliable choice for anyone who values security and quality.