Thumb Turn Lock Cylinder

Description:
A thumb turn lock cylinder designed for convenient keyless locking and unlocking from the inside while maintaining secure key access from the outside. Commonly used in residential, office, hotel, and apartment doors, this euro profile cylinder combines enhanced security with easy operation during emergencies or daily use. Manufactured from durable brass or hardened metal with corrosion-resistant finishes, thumb turn cylinders provide smooth performance, reliable locking action, and compatibility with wooden, aluminum, steel, and UPVC door systems. Suitable for use with standard mortise lock mechanisms.