High security outside thumbturn convenience inside High security key operation on the outside and just twist of the thumbturn on the inside. Protects against Lock Snapping Lock Bumping Lock Picking Plug Pulling Lock Extraction and Lock Drilling . Guaranteed TS007 1 Star security from a name you can trust. Thumbturn cylinders provide convenient locking and unlocking on the inside without the need to have keys at hand. Great for regulary used doors that require locking. Manufactured to British Standard EN 1303 2005 this is a cylinder that you can trust. Whatsmore it is manufactured by Yale the worlds most trusted brand and comes with a 10 year mechanical guarantee . Ideal high security upgrade for home or workplace. Features & Benefits Thumbturn Convenience just twist knob from inside to lock and unlock Snap Protection sacrificial cuts and hardened steel bar AntiPick Defence includes four antipick pins at each end AntiBump Resistance uses VPi...