Security Door LocksSECURITY AND SLIDING DOOR LOCKSWHITCO TASMAIN MK2 – W892117features internal snibdouble cylinder mechanismkey locks and unlocks the handlessnib locks and unlocks the handleskey overrides the snib at all timessupplied boxed less cylinderface plate blackfurniture finished in blackLOCKWOOD ONYX – 9A1A2/5PBLKsliding patio door lockkey deadlocks from both sidestwin locking beaks for added securityLockAlert indicator shows the lock status at a glanceergonomic sliding snib with downward motion to unlockwide range of accessories availablefinished in blackWHITCO LEICHHARDT – W865317sliding security screen door mortice lockkey deadlocks from both sidesself latchinginternal snibkey overrides snibcan only be locked or snibbed when fully latchedsuitable for aluminium doorsfinished in black