Features:

Viro locking bars provide excellent protection and can be installed on standard doors to make them almost totally attack – resistant.

Mechanism:

Easy adjustment system for doors from 73 to 98cm wid; the door can be locked normally with 2 throws; with one throw only, even though the key can be removed, the dead bolt engages the anti attack device, allowing the door to be half-opened in oder to speak with anyone outside in complete safety; dead-bolts activated by European profile cylinder with DIN cam; brass pins; mushroom brass counterpins, pick-resistant; phosphor bronze pin springs.

Supplied with:

Steel strikers with clamps to be walled, nylon escutcheon for the inner side of the profile cylinder and fixing screws.

Case:

Consists of 1.5mm thick painted steel external cover, bent into a U shape, and 2 mm thick internal tubular galvanised passivated steel core. Nylon dead-bolt guides ensure quiet operation.

Dead-bolts

40x10mm solid steel, forming a single bar. Double throw dead-botls with 7.5cm projection.

Cylinder:

7 pin solid brass standard Viro profile cylinder for doors from 45 to 55mm thick. With case-hardened, tempered, copper, nickel and chrome-plated steel pull and drill resistant external protection (armour unit)

Keys:

Nickel-plated brass, supplied with 4 Viro Top Security profile nickel-plated brass keys.