Suitable for heavy-duty use in industrial and commercial buildings, institutions, clubs, schools, hospitals, hotels, and similar buildings. 3570 Series Cylinder Mortice Locks are made from quality materials to meet high durability and strength requirements. For ease of selection, specify primary lock (3572SC). This lock can then be easily adapted to suit the function required. These locks have various latching functions which can be operated by key or by handle inside. Features of the 3572 Vestibule Mortice Locks: Latch - Deadlatch only. Compatible with most Lockwood rose and plate furniture, including brass door furniture, daintree, aquileart, artefact series ii and ovation series.