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 function 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:
– Cut-resistant stainless steel bolt.
– LockAlert indicator shows lock mode at a glance.
– Automatically unlocks the internal knob on entry.
– Bump and pick resistant.
– Can be keyed alike to other Lockwood door locks.

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

• Cut-resistant stainless steel bolt
• Lockwood's patented LockAlert status indicator that shows the Lockset mode at a glance – can operate in three modes.
• Automatically unlocks the internal knob upon entry minimising the risk of being locked in
• Bump and pick resistant
• Can be keyed alike to other Lockwood door locks