High Security Cyinders

dor-tech's high security cylinders with reversible keys offer highest user convenience, as the key has no top or
bottom side. As opposed to serrated keys they can be inserted into the cylinder lock from either side. dor-tech's
high security cylinders are ergonomically built and meet the highest security standards. Our precision technology
guarantees, that these cylinders are robust and require little maintenance, in accordance with EN1303 Key Related
Security Grade 6 and with additional security elements Attack Resistance Grade 2.