This UHPPOTE Alloy Door Loop is perfect for exposed mortise mounting for access control protection. It measures 290Lx25Wx12D(mm) / 11.42Lx0.98Wx0.47H(in) DIA and is suitable for preventing malicious damage to the wire. It is made of alloy material with a thickened ripple tube finished for the shell. This door loop is perfect for access control and is convenient and beautiful when installing electric locks, magnetic contacts, and alarm buttons on the door.