Lockwood 355 Double Cylinder Deadlock
The Lockwood 355 double cylinder deadlock is one of the strongest on the market. Can be used on residential or commercial projects and can also be used for both swinging and 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
- Tested in accordance with AS4145.2-1993
- Concealed fixing
- Positive deadlocking action