Lockwood Matt Black 001 Double Cylinder Deadlatch Knob

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The Lockwood 001 Double Cylinder Deadlatch is a high-security knob deadlatch for inward opening entry doors. Key operation from both sides gives maximum security, with hold-back fu nction for passage use when you're at home. 11 concealed anchorage points plus a door frame strengthener resist forced entry. LockAlert® shows lock status at a glance, and SafetyRelease™ automatically unlocks the inside knob on key entry from outside. Built around a cut-resistant stainless steel bolt with 18mm projection, brass 5-pin cylinders (78,000 key combinations), and Kinetic Defence® bump and pick resistance. Supplied with a open in (timber framed) strike to suit. Fits doors 30-45mm thick. Tested to AS4145.2-2008 (SL7 security, D8 durability).Features:- Conforms to the security and durability requirements of Australian Standard AS4145.2-2008 | SL7D8C.- Cut-resistant Stainless Steel Bolt.- 11 concealed anchorage points and a door frame stengthener that combine to offer high security protection.Backed by Lockwood, an Australian brand with over 90 years of locksmithing experience. Show more