Mortise locks Evolution in mortise locks has led TESA to expand its range constantly, with various backsets, finishes, distances between shafts, latch solutions, PEDs, locks for schools, hospitals or offices. Residential locksTESA presents a range of locks for wooden doors in residential projects, providing a wide choice of models for entrance doors, passage doors, bathroom doors and accessories. Institutional locksTESA supplies a complete range of locks for doors made of specific woods, apt for institutional projects subject to moderate transit, and intensive use with high transit.