Yale Platinum Brass Single Euro Thumbturn Cylinder Lock - Gold

It refers to the lock's overall length (70mm) and its profile (Euro cylinder). The 'thumbturn' means it has a knob on one side for keyless operation, typically for interior use.

Measure from the center of the screw hole to both the inside and outside edges of the lock cylinder. For this 70mm lock, it should be approximately 40mm on each side (40/40mm).

Yes, the corrosion-resistant brass construction makes it suitable for external doors, offering durability against weather elements.

Yes, replacement is generally straightforward for those comfortable with basic DIY tasks. Detailed steps are provided in the Setup section.

The thumbturn allows you to lock or unlock the door from the inside without needing a key, providing convenience and quick security.

It will fit any door with a Euro profile lock case, but the specific length (70mm) must match your door's requirements. Always measure before purchasing.

Clean with a soft, damp cloth. Avoid harsh chemicals or abrasive materials to preserve the finish's appearance and integrity.

Ensure the door is unlocked and the retaining screw is loosened. Check that the cylinder cam is aligned correctly with the lock mechanism slot.

The cylinder may not be correctly aligned, or debris may be present. Try gently wiggling the thumbturn. If the issue persists, a small amount of graphite lubricant may help. Ensure the door is properly closed and not binding.

Check for obstructions inside the keyway. Ensure the correct key is being used and is fully inserted. The lock case or mechanism might be misaligned; check door alignment and retaining screw tightness.