Deadlocking is achieved by reverse turn of the key from outside only. Available in 40mm & 60mm backsets. Can be fitted onto doors up to 57mm thick (or 54mm if used with a cylinder pull). Lockcase also available ideal for use with own cylinders.
eBay
Zinc Lock Core Easy To Use Euro Cylinder Barrel Door Lock Aluminum Lock High-quality For Exterior Doors Home Security
Aliexpress UK
Yale B-85-CH-CH-40 Deadlocking Nightlatch, 40 mm, Chrome Finish, High Security with Automatic Deadlock Deadlocking Nightlatch operated by key from outside, ideal if property is left unattended for long periods and for properties with multiple exit points Convenient lever handle to operate the lock from inside the property Internal snib button is used to engage the deadlock or temporarily hold back the latch If the nightlatch is locked from the outside, it cannot be operated from inside Includes Yale rim cylinder operated by key from the outside with standard security components Supplied with 2 standard Yale keys and fixing pack
eBay
Adjustable Child Safety Harness Clip, Anti-Escape Lock for Car Seat, Stroller & Highchair Security
Aliexpress UK
Yale P-85-DMG-PB-40 Deadlocking Nightlatch, Dark Metallic Finish/Brass Cylinder, 40 mm Backset, High Security, with Automatic Deadlock Deadlocking nightlatch operated by key from outside, ideal if property is left unattended for long periods Convenient lever handle to operate the lock from inside the property Internal snib button is used to engage the deadlock or temporarily hold back the latch Includes Yale rim cylinder operated by key from the outside with standard security components Supplied with 2 standard Yale keys and fixing pack
eBay
Door Window Wireless Burglar Alarm with Magnetic Sensor Alarm 108dB High Volume Door Open Detectors Home Security Device
Aliexpress UK
YALE YAL85BLXPL B-85-BLX-PB-40-Deadlocking Nightlatch Brass Finish-High Security with Automatic Deadlock, Brasslux, 40 Deadlock operated by key from outside, ideal if property is left unattended for long periods Convenient lever handle to operate lock inside the property Internal snib button is used to engage the Deadlock or temporarily hold back the latch bolt Includes Yale rim cylinder operated by key from the outside with standard security components Supplied with two standard Yale keys and fixing pack 2 years guarantee
eBay
50mm~70mm HEAVY DUTY ANTI RUST SHUTTER PADLOCK HIGH SECURITY SHACKLE LOCK 3 KEYS
Aliexpress UK
eBay
High quality Aluminium alloy T-lock, steel flat open doors and windows locks Replacement Security UPVC Window Door Sash lock
Aliexpress UK
Asec non-deadlocking lever action nightlatch with internal holdback snib. Available in 40mm & 60mm backsets. Can be fitted onto doors up to 57mm thick (or 54mm if used with a cylinder pull).
eBay
High Security Sliding Gate Lock,Heavy Duty 50mm Long Throw Stainless Steel Lock Set (5Keys),For Garden Doors,Fence & Patio Gates
Aliexpress UK
Asec non-deadlocking lever action nightlatch with internal holdback snib. Available in 40mm & 60mm backsets. Can be fitted onto doors up to 57mm thick (or 54mm if used with a cylinder pull).
eBay
High Security Door Lock Cylinder Body For Home Single Tongue Mute Anti-Theft Lock Cylinder House Wooden Door Heavy Spring
Aliexpress UK
Yale P-1-BLX-PB-60 Double Locking Nightlatch, High Security can be locked from inside with key 2, Brasslux, 60 mm
eBay
Adjustable 3/5 Point Baby Seat belt For Baby stroller pram Highchair Dinning Chair Kid Infant Harness Fixed Belt Security Strap
Aliexpress UK