The Union Essentials 3 Lever Mortice Sashlock is an economical choice designed for internal wooden doors, offering a reliable standard level of security. Featuring a distinctive black lock case, it differs in measurements from other mortice locks—please consult the line drawing for precise dimensions. Available in polished brass or chrome finishes, this lock suits a range of interior applications. The deadbolt extends 14mm, securing your door effectively. For enhanced protection against sawing attacks, consider upgrading to a 5-lever model. This lock is part of Union’s 3 lever range, which also includes deadlocks and bathroom locks for comprehensive interior security solutions.