The Brass Cylinder Lock is a high-quality lock constructed of solid brass, designed for all types of doors, offering exceptional security and durability. Its exquisite craftsmanship and outstanding performance provide users with reliable protection and a convenient experience.

The Euro Cylinder With Thumbturn is a freestanding lock cylinder structure for door lock systems. Its key feature is a manually rotating thumb knob at one end, allowing users to easily lock or unlock from the inside without a key.

The Thumb Turn Euro Cylinder is a mechanical lock cylinder component used in European standard lock systems, allowing for quick locking and unlocking without a key via an internal knob. Its design prioritizes intuitive, smooth, and controllable operation, making it ideal for situations requiring quick locking actions indoors.

A keyed cylinder lock is a common lock device, mainly used in door lock systems. It consists of a cylindrical lock core and a matching key. The working principle of a keyed cylinder lock is to insert a key into the lock core and rotate the key to drive the mechanical structure inside the lock core, thereby opening or closing the lock.