Lockwood Satin Chrome Pearl 355 Double Cylinder Deadlock

• 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.

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). Backed by Lockwood's 25-Year Mechanical Warranty.

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