Lockwood 355 Deadlock
- A strong interlocking turn knob case and mounting plate to resist jemmy attack
- Concealed fixing
- Positive deadlocking action
- Locked either by key from outside or by internal turn when free
- Body dimensions 121mm (W) x 76mm (H) x 56mm (T)
- Thick walled, high purity, zinc alloy case
- 60mm backset
- Solid steel bolt and solid steel boot leg
- Suitable for door thickness of 30mm - 45mm
- 5 pin cylinders on the Keyline LW5 profile