The Lockwood 355 Double Cylinder Deadlock secures hinged or sliding doors with key operation from outside and a lockable turn knob from inside. The turn knob has an inbuilt clutch mechanism that resists wrench attack, an unusual feature for a turn-knob deadlock. Suits inward opening single doors, single sliding doors, pairs of timber hinged doors, and pairs of timber sliding doors. Glazed doors require a minimum side rail. Fits doors 30-45mm thick. Finished in Satin Chrome Pearl. Tested to AS4145.2-2008 (SL7 security, D8 durability, C6 corrosion).

Features:
– Suitable for hinged and some sliding doors.
– Lockable turn knob with inbuilt clutching device to resist wrench attack.
– Strong interlocking case and mounting plate to resist jemmy and hammer attack.
– Concealed fixing.
– Kinetic Defence: Bump and pick resistant.

Backed by Lockwood, an Australian brand with over 90 years of locksmithing experience.

• Suitable for hinged and some sliding doors
• Lockable turn knob with inbuilt clutching device to resist wrench attack
• Strong interlocking case and mounting plate to resist jemmy and hammer attack
• Concealed fixing
• Kinetic Defence: Bump and pick resistant.