This cylinder is BSEN1303 & TS007 3 Star accredited and has protection against Snapping, Picking, Drilling, Bumping and also has Tamper protection.
On key removal the lock remains in its optimum security mode automatically locking the cam thus ALWAYS PROTECTING AGAINST SNAP ATTACK, MANIPULATION OR DRILLING. This prevents any external entry via the cylinder without the key, after an attack the cylinder remains operational enabling emergency egress.
The second measurement is the external measurement, the snap line is on the second measurement, it’s important that this is placed on the outside of the door.
Please check the size diagram before purchasing this lock
