These are the locks of universal application, namely: the installation can be done in both the metal and wood doors. Locks have also a reversible latch from stainless steel and are compatible with ROSTEX®
safety fittings of IV safety class (three mounting screws), and with any other safety fittings of DIN standard.  

Models of SANTOS universal locks are represented in a wide range of sizes Back Set. Because of this, these models are suitable for installation in both new doors and for the old locks replacement. 
Structural feature of both models is that on the bodies of these locks, the hardened plates, which protect lock mechanisms from drilling, can be installed.

Due to its construction, the lock protects the door from vandal opening by squeezing. Locks of this model are compatible with ROSTEX®
safety fittings of IV safety class (three mounting screws), with any other safety fittings, with protective escutcheons on the cylinders and the handles on the "sockets" of DIN standard. 

Used as the main locks primarily for wooden doors. NEMEF® 1269 cylinder universal locks have a reversible latch and are compatible with
ROSTEX® safety fittings of IV safety class (three mounting screws), and any other safety fittings, with protective escutcheons on the cylinders and the handles on the "sockets" of DIN standard.